88439481 has 24 divisors (see below), whose sum is σ = 138110336. Its totient is φ = 54211680.

The previous prime is 88439479. The next prime is 88439521. The reversal of 88439481 is 18493488.

It is not a de Polignac number, because 88439481 - 2¹ = 88439479 is a prime.

It is a super-2 number, since 2×88439481² = 15643083599098722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (88439431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31776 + ... + 34446.

Almost surely, 2^88439481 is an apocalyptic number.

It is an amenable number.

88439481 is a deficient number, since it is larger than the sum of its proper divisors (49670855).

88439481 is a wasteful number, since it uses less digits than its factorization.

88439481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2973 (or 2970 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 88439481 is about 9404.2267624723. The cubic root of 88439481 is about 445.5352411593.

It can be divided in two parts, 88 and 439481, that added together give a square (439569 = 663²).

The spelling of 88439481 in words is "eighty-eight million, four hundred thirty-nine thousand, four hundred eighty-one".