90947394 has 48 divisors (see below), whose sum is σ = 205351200. Its totient is φ = 29835648.

The previous prime is 90947377. The next prime is 90947413. The reversal of 90947394 is 49374909.

90947394 is a `hidden beast` number, since 90 + 9 + 473 + 94 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 507997 + ... + 508175.

It is an arithmetic number, because the mean of its divisors is an integer number (4278150).

Almost surely, 2^90947394 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90947394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102675600).

90947394 is an abundant number, since it is smaller than the sum of its proper divisors (114403806).

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

90947394 is a wasteful number, since it uses less digits than its factorization.

90947394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384 (or 281 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 90947394 is about 9536.6343119572. The cubic root of 90947394 is about 449.7074543012.

The spelling of 90947394 in words is "ninety million, nine hundred forty-seven thousand, three hundred ninety-four".