88421403 has 32 divisors (see below), whose sum is σ = 143410176. Its totient is φ = 47305728.

The previous prime is 88421401. The next prime is 88421413. The reversal of 88421403 is 30412488.

It is not a de Polignac number, because 88421403 - 2¹ = 88421401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (88421401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82650 + ... + 83712.

It is an arithmetic number, because the mean of its divisors is an integer number (4481568).

Almost surely, 2^88421403 is an apocalyptic number.

88421403 is a deficient number, since it is larger than the sum of its proper divisors (54988773).

88421403 is a wasteful number, since it uses less digits than its factorization.

88421403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323.

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 88421403 is about 9403.2655497970. The cubic root of 88421403 is about 445.5048816605.

The spelling of 88421403 in words is "eighty-eight million, four hundred twenty-one thousand, four hundred three".