90840562 has 8 divisors (see below), whose sum is σ = 136303596. Its totient is φ = 45406032.

The previous prime is 90840559. The next prime is 90840601. The reversal of 90840562 is 26504809.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 88378801 + 2461761 = 9401^2 + 1569^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4908 + ... + 14344.

Almost surely, 2^90840562 is an apocalyptic number.

90840562 is a deficient number, since it is larger than the sum of its proper divisors (45463034).

90840562 is a wasteful number, since it uses less digits than its factorization.

90840562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14252.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 90840562 is about 9531.0315286437. The cubic root of 90840562 is about 449.5313012955.

The spelling of 90840562 in words is "ninety million, eight hundred forty thousand, five hundred sixty-two".