90213848 has 16 divisors (see below), whose sum is σ = 169351080. Its totient is φ = 45053568.

The previous prime is 90213847. The next prime is 90213857. The reversal of 90213848 is 84831209.

It is a happy number.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90213847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1040 + ... + 13472.

Almost surely, 2^90213848 is an apocalyptic number.

It is an amenable number.

90213848 is a deficient number, since it is larger than the sum of its proper divisors (79137232).

90213848 is a wasteful number, since it uses less digits than its factorization.

90213848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13346 (or 13342 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 90213848 is about 9498.0970725720. The cubic root of 90213848 is about 448.4951344370.

The spelling of 90213848 in words is "ninety million, two hundred thirteen thousand, eight hundred forty-eight".