90610002 has 40 divisors (see below), whose sum is σ = 232041216. Its totient is φ = 25888248.

The previous prime is 90609973. The next prime is 90610081. The reversal of 90610002 is 20001609.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 19 ways as a sum of consecutive naturals, for example, 38818 + ... + 41085.

Almost surely, 2^90610002 is an apocalyptic number.

90610002 is an abundant number, since it is smaller than the sum of its proper divisors (141431214).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90610002 is a wasteful number, since it uses less digits than its factorization.

90610002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79924 (or 79915 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 90610002 is about 9518.9286161837. The cubic root of 90610002 is about 449.1506646295.

The spelling of 90610002 in words is "ninety million, six hundred ten thousand, two".