326139000 has 128 divisors (see below), whose sum is σ = 1110170880. Its totient is φ = 79056000.

The previous prime is 326138977. The next prime is 326139007. The reversal of 326139000 is 931623.

326139000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326139007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28059 + ... + 37941.

It is an arithmetic number, because the mean of its divisors is an integer number (8673210).

Almost surely, 2^326139000 is an apocalyptic number.

326139000 is a gapful number since it is divisible by the number (30) 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 326139000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (555085440).

326139000 is an abundant number, since it is smaller than the sum of its proper divisors (784031880).

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

326139000 is a wasteful number, since it uses less digits than its factorization.

326139000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9918 (or 9904 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 326139000 is about 18059.3189240348. The cubic root of 326139000 is about 688.3366783303.

The spelling of 326139000 in words is "three hundred twenty-six million, one hundred thirty-nine thousand".