90408846 has 16 divisors (see below), whose sum is σ = 197255808. Its totient is φ = 27396600.

The previous prime is 90408809. The next prime is 90408847. The reversal of 90408846 is 64880409.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90408847) 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, 684850 + ... + 684981.

It is an arithmetic number, because the mean of its divisors is an integer number (12328488).

Almost surely, 2^90408846 is an apocalyptic number.

90408846 is an abundant number, since it is smaller than the sum of its proper divisors (106846962).

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

90408846 is a wasteful number, since it uses less digits than its factorization.

90408846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1369847.

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 90408846 is about 9508.3566403454. The cubic root of 90408846 is about 448.8180439077.

The spelling of 90408846 in words is "ninety million, four hundred eight thousand, eight hundred forty-six".