290260990 has 8 divisors (see below), whose sum is σ = 522469800. Its totient is φ = 116104392.

The previous prime is 290260987. The next prime is 290260991. The reversal of 290260990 is 99062092.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290260991) 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, 14513040 + ... + 14513059.

It is an arithmetic number, because the mean of its divisors is an integer number (65308725).

Almost surely, 2^290260990 is an apocalyptic number.

290260990 is a deficient number, since it is larger than the sum of its proper divisors (232208810).

290260990 is a wasteful number, since it uses less digits than its factorization.

290260990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29026106.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 290260990 is about 17037.0475728631. The cubic root of 290260990 is about 662.1091008353.

The spelling of 290260990 in words is "two hundred ninety million, two hundred sixty thousand, nine hundred ninety".