326712420 has 48 divisors (see below), whose sum is σ = 1016440320. Its totient is φ = 87123168.

The previous prime is 326712389. The next prime is 326712427. The reversal of 326712420 is 24217623.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (326712427) 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, 301972 + ... + 303051.

It is an arithmetic number, because the mean of its divisors is an integer number (21175840).

Almost surely, 2^326712420 is an apocalyptic number.

326712420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

326712420 is an abundant number, since it is smaller than the sum of its proper divisors (689727900).

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

326712420 is a wasteful number, since it uses less digits than its factorization.

326712420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605041 (or 605033 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 326712420 is about 18075.1879658276. The cubic root of 326712420 is about 688.7398550113.

The spelling of 326712420 in words is "three hundred twenty-six million, seven hundred twelve thousand, four hundred twenty".