90587403 has 10 divisors (see below), whose sum is σ = 135322044. Its totient is φ = 60391548.

The previous prime is 90587353. The next prime is 90587447. The reversal of 90587403 is 30478509.

It is not a de Polignac number, because 90587403 - 2¹⁶ = 90521867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90587603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 559101 + ... + 559262.

Almost surely, 2^90587403 is an apocalyptic number.

90587403 is a deficient number, since it is larger than the sum of its proper divisors (44734641).

90587403 is a wasteful number, since it uses less digits than its factorization.

90587403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118375 (or 1118366 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 90587403 is about 9517.7414862981. The cubic root of 90587403 is about 449.1133207027.

It can be divided in two parts, 9058 and 7403, that added together give a palindrome (16461).

The spelling of 90587403 in words is "ninety million, five hundred eighty-seven thousand, four hundred three".