326097870 has 128 divisors (see below), whose sum is σ = 924908544. Its totient is φ = 72044544.

The previous prime is 326097857. The next prime is 326097881. The reversal of 326097870 is 78790623.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 923614 + ... + 923966.

It is an arithmetic number, because the mean of its divisors is an integer number (7225848).

Almost surely, 2^326097870 is an apocalyptic number.

326097870 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 326097870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (462454272).

326097870 is an abundant number, since it is smaller than the sum of its proper divisors (598810674).

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

326097870 is a wasteful number, since it uses less digits than its factorization.

326097870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506.

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 326097870 is about 18058.1801408669. The cubic root of 326097870 is about 688.3077413047.

The spelling of 326097870 in words is "three hundred twenty-six million, ninety-seven thousand, eight hundred seventy".