102994890 has 32 divisors (see below), whose sum is σ = 252939456. Its totient is φ = 26826240.

The previous prime is 102994873. The next prime is 102994919. The reversal of 102994890 is 98499201.

It is a super-2 number, since 2×102994890² = 21215894732224200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38631 + ... + 41210.

It is an arithmetic number, because the mean of its divisors is an integer number (7904358).

Almost surely, 2^102994890 is an apocalyptic number.

102994890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102994890 is an abundant number, since it is smaller than the sum of its proper divisors (149944566).

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

102994890 is a wasteful number, since it uses less digits than its factorization.

102994890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79894.

The product of its (nonzero) digits is 46656, while the sum is 42.

The square root of 102994890 is about 10148.6398103391. The cubic root of 102994890 is about 468.7470627372.

The spelling of 102994890 in words is "one hundred two million, nine hundred ninety-four thousand, eight hundred ninety".