90929403 has 6 divisors (see below), whose sum is σ = 131342484. Its totient is φ = 60619596.

The previous prime is 90929393. The next prime is 90929429. The reversal of 90929403 is 30492909.

It is not a de Polignac number, because 90929403 - 2⁸ = 90929147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90929453) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5051625 + ... + 5051642.

It is an arithmetic number, because the mean of its divisors is an integer number (21890414).

Almost surely, 2^90929403 is an apocalyptic number.

90929403 is a deficient number, since it is larger than the sum of its proper divisors (40413081).

90929403 is a wasteful number, since it uses less digits than its factorization.

90929403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10103273 (or 10103270 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 90929403 is about 9535.6910079973. The cubic root of 90929403 is about 449.6777989880.

The spelling of 90929403 in words is "ninety million, nine hundred twenty-nine thousand, four hundred three".