88421404 has 6 divisors (see below), whose sum is σ = 154737464. Its totient is φ = 44210700.

The previous prime is 88421401. The next prime is 88421413. The reversal of 88421404 is 40412488.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88421401) 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 as a sum of consecutive naturals, namely, 11052672 + ... + 11052679.

Almost surely, 2^88421404 is an apocalyptic number.

It is an amenable number.

88421404 is a deficient number, since it is larger than the sum of its proper divisors (66316060).

88421404 is a wasteful number, since it uses less digits than its factorization.

88421404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22105355 (or 22105353 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 31.

The square root of 88421404 is about 9403.2656029701. The cubic root of 88421404 is about 445.5048833400.

The spelling of 88421404 in words is "eighty-eight million, four hundred twenty-one thousand, four hundred four".