90471516 has 24 divisors (see below), whose sum is σ = 217910784. Its totient is φ = 29184240.

The previous prime is 90471497. The next prime is 90471533. The reversal of 90471516 is 61517409.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121230 + ... + 121973.

It is an arithmetic number, because the mean of its divisors is an integer number (9079616).

Almost surely, 2^90471516 is an apocalyptic number.

It is an amenable number.

90471516 is an abundant number, since it is smaller than the sum of its proper divisors (127439268).

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

90471516 is a wasteful number, since it uses less digits than its factorization.

90471516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243241 (or 243239 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 90471516 is about 9511.6515916007. The cubic root of 90471516 is about 448.9217245075.

The spelling of 90471516 in words is "ninety million, four hundred seventy-one thousand, five hundred sixteen".