902563490 has 32 divisors (see below), whose sum is σ = 1730179440. Its totient is φ = 337813504.

The previous prime is 902563483. The next prime is 902563523. The reversal of 902563490 is 94365209.

It can be written as a sum of positive squares in 8 ways, for example, as 889292041 + 13271449 = 29821^2 + 3643^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14066 + ... + 44754.

Almost surely, 2^902563490 is an apocalyptic number.

902563490 is a deficient number, since it is larger than the sum of its proper divisors (827615950).

902563490 is a wasteful number, since it uses less digits than its factorization.

902563490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30886.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 902563490 is about 30042.6944530613. The cubic root of 902563490 is about 966.4051906082.

The spelling of 902563490 in words is "nine hundred two million, five hundred sixty-three thousand, four hundred ninety".