90684354 has 24 divisors (see below), whose sum is σ = 189603792. Its totient is φ = 28912840.

The previous prime is 90684353. The next prime is 90684367. The reversal of 90684354 is 45348609.

It is not an unprimeable number, because it can be changed into a prime (90684353) 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, 11112 + ... + 17459.

It is an arithmetic number, because the mean of its divisors is an integer number (7900158).

Almost surely, 2^90684354 is an apocalyptic number.

90684354 is an abundant number, since it is smaller than the sum of its proper divisors (98919438).

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

90684354 is a wasteful number, since it uses less digits than its factorization.

90684354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28622 (or 28599 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 90684354 is about 9522.8332968713. The cubic root of 90684354 is about 449.2734844773.

The spelling of 90684354 in words is "ninety million, six hundred eighty-four thousand, three hundred fifty-four".