290987074 has 8 divisors (see below), whose sum is σ = 498835008. Its totient is φ = 124708740.

The previous prime is 290987057. The next prime is 290987077. The reversal of 290987074 is 470789092.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (290987077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10392382 + ... + 10392409.

It is an arithmetic number, because the mean of its divisors is an integer number (62354376).

Almost surely, 2^290987074 is an apocalyptic number.

290987074 is a deficient number, since it is larger than the sum of its proper divisors (207847934).

290987074 is a wasteful number, since it uses less digits than its factorization.

290987074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20784800.

The product of its (nonzero) digits is 254016, while the sum is 46.

The square root of 290987074 is about 17058.3432372549. The cubic root of 290987074 is about 662.6607268276.

The spelling of 290987074 in words is "two hundred ninety million, nine hundred eighty-seven thousand, seventy-four".