290515996 has 24 divisors (see below), whose sum is σ = 525989520. Its totient is φ = 140304000.

The previous prime is 290515993. The next prime is 290516011. The reversal of 290515996 is 699515092.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290515993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7795 + ... + 25333.

It is an arithmetic number, because the mean of its divisors is an integer number (21916230).

Almost surely, 2^290515996 is an apocalyptic number.

It is an amenable number.

290515996 is a deficient number, since it is larger than the sum of its proper divisors (235473524).

290515996 is a wasteful number, since it uses less digits than its factorization.

290515996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17685 (or 17683 counting only the distinct ones).

The product of its (nonzero) digits is 218700, while the sum is 46.

The square root of 290515996 is about 17044.5297969759. The cubic root of 290515996 is about 662.3029406077.

It can be divided in two parts, 2905159 and 96, that added together give a triangular number (2905255 = T₂₄₁₀).

The spelling of 290515996 in words is "two hundred ninety million, five hundred fifteen thousand, nine hundred ninety-six".