326140890 has 32 divisors (see below), whose sum is σ = 823936320. Its totient is φ = 82393344.

The previous prime is 326140883. The next prime is 326140891. The reversal of 326140890 is 98041623.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (326140891) 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, 285519 + ... + 286658.

It is an arithmetic number, because the mean of its divisors is an integer number (25748010).

Almost surely, 2^326140890 is an apocalyptic number.

326140890 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

326140890 is an abundant number, since it is smaller than the sum of its proper divisors (497795430).

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

326140890 is a wasteful number, since it uses less digits than its factorization.

326140890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572206.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 326140890 is about 18059.3712515137. The cubic root of 326140890 is about 688.3380079820.

The spelling of 326140890 in words is "three hundred twenty-six million, one hundred forty thousand, eight hundred ninety".