90411951 has 16 divisors (see below), whose sum is σ = 138498048. Its totient is φ = 51391200.

The previous prime is 90411949. The next prime is 90411953. The reversal of 90411951 is 15911409.

It is an interprime number because it is at equal distance from previous prime (90411949) and next prime (90411953).

It is not a de Polignac number, because 90411951 - 2¹ = 90411949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90411953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7260 + ... + 15281.

It is an arithmetic number, because the mean of its divisors is an integer number (8656128).

Almost surely, 2^90411951 is an apocalyptic number.

90411951 is a deficient number, since it is larger than the sum of its proper divisors (48086097).

90411951 is a wasteful number, since it uses less digits than its factorization.

90411951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22742.

The product of its (nonzero) digits is 1620, while the sum is 30.

The square root of 90411951 is about 9508.5199163697. The cubic root of 90411951 is about 448.8231819155.

The spelling of 90411951 in words is "ninety million, four hundred eleven thousand, nine hundred fifty-one".