88621403 has 6 divisors (see below), whose sum is σ = 95963004. Its totient is φ = 81804216.

The previous prime is 88621399. The next prime is 88621417. The reversal of 88621403 is 30412688.

It is not a de Polignac number, because 88621403 - 2² = 88621399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 88621403.

It is not an unprimeable number, because it can be changed into a prime (88621103) 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 5 ways as a sum of consecutive naturals, for example, 262025 + ... + 262362.

It is an arithmetic number, because the mean of its divisors is an integer number (15993834).

Almost surely, 2^88621403 is an apocalyptic number.

88621403 is a deficient number, since it is larger than the sum of its proper divisors (7341601).

88621403 is a wasteful number, since it uses less digits than its factorization.

88621403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524413 (or 524400 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 88621403 is about 9413.8941464200. The cubic root of 88621403 is about 445.8405239317.

The spelling of 88621403 in words is "eighty-eight million, six hundred twenty-one thousand, four hundred three".