326029990 has 32 divisors (see below), whose sum is σ = 689453856. Its totient is φ = 109436160.

The previous prime is 326029937. The next prime is 326029993. The reversal of 326029990 is 99920623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326029993) 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, 112567 + ... + 115426.

It is an arithmetic number, because the mean of its divisors is an integer number (21545433).

Almost surely, 2^326029990 is an apocalyptic number.

326029990 is an abundant number, since it is smaller than the sum of its proper divisors (363423866).

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

326029990 is a wasteful number, since it uses less digits than its factorization.

326029990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228024.

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 326029990 is about 18056.3005624076. The cubic root of 326029990 is about 688.2599789854.

The spelling of 326029990 in words is "three hundred twenty-six million, twenty-nine thousand, nine hundred ninety".