90493846 has 32 divisors (see below), whose sum is σ = 146764800. Its totient is φ = 41718240.

The previous prime is 90493841. The next prime is 90493849. The reversal of 90493846 is 64839409.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90493841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 405691 + ... + 405913.

It is an arithmetic number, because the mean of its divisors is an integer number (4586400).

Almost surely, 2^90493846 is an apocalyptic number.

90493846 is a deficient number, since it is larger than the sum of its proper divisors (56270954).

90493846 is a wasteful number, since it uses less digits than its factorization.

90493846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 90493846 is about 9512.8253426624. The cubic root of 90493846 is about 448.9586554590.

The spelling of 90493846 in words is "ninety million, four hundred ninety-three thousand, eight hundred forty-six".