290394038 has 32 divisors (see below), whose sum is σ = 485138592. Its totient is φ = 129254400.

The previous prime is 290394011. The next prime is 290394053. The reversal of 290394038 is 830493092.

It is a junction number, because it is equal to n+sod(n) for n = 290393992 and 290394010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 473420 + ... + 474032.

It is an arithmetic number, because the mean of its divisors is an integer number (15160581).

Almost surely, 2^290394038 is an apocalyptic number.

290394038 is a deficient number, since it is larger than the sum of its proper divisors (194744554).

290394038 is a wasteful number, since it uses less digits than its factorization.

290394038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 290394038 is about 17040.9517926670. The cubic root of 290394038 is about 662.2102498453.

The spelling of 290394038 in words is "two hundred ninety million, three hundred ninety-four thousand, thirty-eight".