90602650 has 12 divisors (see below), whose sum is σ = 168521022. Its totient is φ = 36241040.

The previous prime is 90602593. The next prime is 90602657. The reversal of 90602650 is 5620609.

It can be written as a sum of positive squares in 3 ways, for example, as 77141089 + 13461561 = 8783^2 + 3669^2 .

It is not an unprimeable number, because it can be changed into a prime (90602657) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 905977 + ... + 906076.

Almost surely, 2^90602650 is an apocalyptic number.

90602650 is a deficient number, since it is larger than the sum of its proper divisors (77918372).

90602650 is a wasteful number, since it uses less digits than its factorization.

90602650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1812065 (or 1812060 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 90602650 is about 9518.5424304354. The cubic root of 90602650 is about 449.1385164305.

The spelling of 90602650 in words is "ninety million, six hundred two thousand, six hundred fifty".