326472156 has 72 divisors (see below), whose sum is σ = 844893504. Its totient is φ = 106254720.

The previous prime is 326472151. The next prime is 326472257. The reversal of 326472156 is 651274623.

326472156 = T₄₀₃ + T₄₀₄ + ... + T₁₂₆₄.

326472156 is a `hidden beast` number, since 3 + 2 + 647 + 2 + 1 + 5 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 326472156.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326472151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 757261 + ... + 757691.

It is an arithmetic number, because the mean of its divisors is an integer number (11734632).

Almost surely, 2^326472156 is an apocalyptic number.

326472156 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 326472156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (422446752).

326472156 is an abundant number, since it is smaller than the sum of its proper divisors (518421348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

326472156 is a wasteful number, since it uses less digits than its factorization.

326472156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891 (or 886 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 326472156 is about 18068.5405055306. The cubic root of 326472156 is about 688.5709807319.

The spelling of 326472156 in words is "three hundred twenty-six million, four hundred seventy-two thousand, one hundred fifty-six".