90261038 has 12 divisors (see below), whose sum is σ = 157496472. Its totient is φ = 38683260.

The previous prime is 90261013. The next prime is 90261053. The reversal of 90261038 is 83016209.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 90261038.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 460418 + ... + 460613.

It is an arithmetic number, because the mean of its divisors is an integer number (13124706).

Almost surely, 2^90261038 is an apocalyptic number.

90261038 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

90261038 is a deficient number, since it is larger than the sum of its proper divisors (67235434).

90261038 is a wasteful number, since it uses less digits than its factorization.

90261038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921047 (or 921040 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 90261038 is about 9500.5809296064. The cubic root of 90261038 is about 448.5733219755.

The spelling of 90261038 in words is "ninety million, two hundred sixty-one thousand, thirty-eight".