90415460 has 24 divisors (see below), whose sum is σ = 191720256. Its totient is φ = 35814240.

The previous prime is 90415453. The next prime is 90415463. The reversal of 90415460 is 6451409.

It is not an unprimeable number, because it can be changed into a prime (90415463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19886 + ... + 24005.

It is an arithmetic number, because the mean of its divisors is an integer number (7988344).

Almost surely, 2^90415460 is an apocalyptic number.

It is an amenable number.

90415460 is an abundant number, since it is smaller than the sum of its proper divisors (101304796).

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

90415460 is a wasteful number, since it uses less digits than its factorization.

90415460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44003 (or 44001 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 90415460 is about 9508.7044333074. The cubic root of 90415460 is about 448.8289883020.

Adding to 90415460 its reverse (6451409), we get a palindrome (96866869).

The spelling of 90415460 in words is "ninety million, four hundred fifteen thousand, four hundred sixty".