90943794 has 48 divisors (see below), whose sum is σ = 207634752. Its totient is φ = 28711584.

The previous prime is 90943777. The next prime is 90943799. The reversal of 90943794 is 49734909.

It is a super-2 number, since 2×90943794² = 16541547334228872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (90943799) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43272 + ... + 45324.

It is an arithmetic number, because the mean of its divisors is an integer number (4325724).

Almost surely, 2^90943794 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90943794, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103817376).

90943794 is an abundant number, since it is smaller than the sum of its proper divisors (116690958).

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

90943794 is a wasteful number, since it uses less digits than its factorization.

90943794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2191 (or 2188 counting only the distinct ones).

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

The square root of 90943794 is about 9536.4455642551. The cubic root of 90943794 is about 449.7015205846.

The spelling of 90943794 in words is "ninety million, nine hundred forty-three thousand, seven hundred ninety-four".