290192940 has 36 divisors (see below), whose sum is σ = 880252464. Its totient is φ = 77384736.

The previous prime is 290192933. The next prime is 290192999. The reversal of 290192940 is 49291092.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 290192895 and 290192904.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 805912 + ... + 806271.

Almost surely, 2^290192940 is an apocalyptic number.

290192940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

290192940 is an abundant number, since it is smaller than the sum of its proper divisors (590059524).

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

290192940 is a wasteful number, since it uses less digits than its factorization.

290192940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1612198 (or 1612193 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 290192940 is about 17035.0503374660. The cubic root of 290192940 is about 662.0573542493.

The spelling of 290192940 in words is "two hundred ninety million, one hundred ninety-two thousand, nine hundred forty".