325642890 has 16 divisors (see below), whose sum is σ = 781543008. Its totient is φ = 86838096.

The previous prime is 325642861. The next prime is 325642903. The reversal of 325642890 is 98246523.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5427352 + ... + 5427411.

It is an arithmetic number, because the mean of its divisors is an integer number (48846438).

Almost surely, 2^325642890 is an apocalyptic number.

325642890 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

325642890 is an abundant number, since it is smaller than the sum of its proper divisors (455900118).

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

325642890 is a wasteful number, since it uses less digits than its factorization.

325642890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10854773.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 325642890 is about 18045.5781287273. The cubic root of 325642890 is about 687.9874775191.

The spelling of 325642890 in words is "three hundred twenty-five million, six hundred forty-two thousand, eight hundred ninety".