90461400 has 48 divisors (see below), whose sum is σ = 280432200. Its totient is φ = 24122880.

The previous prime is 90461387. The next prime is 90461401. The reversal of 90461400 is 416409.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90461401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74785 + ... + 75984.

Almost surely, 2^90461400 is an apocalyptic number.

It is an amenable number.

90461400 is an abundant number, since it is smaller than the sum of its proper divisors (189970800).

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

90461400 is a wasteful number, since it uses less digits than its factorization.

90461400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150788 (or 150779 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 90461400 is about 9511.1198078880. The cubic root of 90461400 is about 448.9049919430.

Adding to 90461400 its reverse (416409), we get a palindrome (90877809).

The spelling of 90461400 in words is "ninety million, four hundred sixty-one thousand, four hundred".