90493948 has 12 divisors (see below), whose sum is σ = 158431392. Its totient is φ = 45227840.

The previous prime is 90493943. The next prime is 90493951. The reversal of 90493948 is 84939409.

It is a junction number, because it is equal to n+sod(n) for n = 90493898 and 90493907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90493943) 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, 14436 + ... + 19732.

It is an arithmetic number, because the mean of its divisors is an integer number (13202616).

Almost surely, 2^90493948 is an apocalyptic number.

It is an amenable number.

90493948 is a deficient number, since it is larger than the sum of its proper divisors (67937444).

90493948 is a wasteful number, since it uses less digits than its factorization.

90493948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9572 (or 9570 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 90493948 is about 9512.8307038442. The cubic root of 90493948 is about 448.9588241399.

The spelling of 90493948 in words is "ninety million, four hundred ninety-three thousand, nine hundred forty-eight".