326165740 has 48 divisors (see below), whose sum is σ = 726721632. Its totient is φ = 122541056.

The previous prime is 326165731. The next prime is 326165743. The reversal of 326165740 is 47561623.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 326165696 and 326165705.

It is not an unprimeable number, because it can be changed into a prime (326165743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 321474 + ... + 322486.

It is an arithmetic number, because the mean of its divisors is an integer number (15140034).

Almost surely, 2^326165740 is an apocalyptic number.

It is an amenable number.

326165740 is an abundant number, since it is smaller than the sum of its proper divisors (400555892).

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

326165740 is a wasteful number, since it uses less digits than its factorization.

326165740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1986 (or 1984 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 326165740 is about 18060.0592468574. The cubic root of 326165740 is about 688.3554899615.

The spelling of 326165740 in words is "three hundred twenty-six million, one hundred sixty-five thousand, seven hundred forty".