290880038 has 16 divisors (see below), whose sum is σ = 440584704. Its totient is φ = 144023040.

The previous prime is 290880017. The next prime is 290880041. The reversal of 290880038 is 830088092.

It is a super-2 number, since 2×290880038² = 169222393013762888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 290879983 and 290880010.

It is a congruent 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, 238406 + ... + 239622.

It is an arithmetic number, because the mean of its divisors is an integer number (27536544).

Almost surely, 2^290880038 is an apocalyptic number.

290880038 is a deficient number, since it is larger than the sum of its proper divisors (149704666).

290880038 is a wasteful number, since it uses less digits than its factorization.

290880038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2287.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 290880038 is about 17055.2055982917. The cubic root of 290880038 is about 662.5794663429.

The spelling of 290880038 in words is "two hundred ninety million, eight hundred eighty thousand, thirty-eight".