88691449 has 16 divisors (see below), whose sum is σ = 116398080. Its totient is φ = 65471760.

The previous prime is 88691443. The next prime is 88691459. The reversal of 88691449 is 94419688.

It is a cyclic number.

It is not a de Polignac number, because 88691449 - 2³ = 88691441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88691441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28849 + ... + 31774.

It is an arithmetic number, because the mean of its divisors is an integer number (7274880).

Almost surely, 2^88691449 is an apocalyptic number.

It is an amenable number.

88691449 is a deficient number, since it is larger than the sum of its proper divisors (27706631).

88691449 is a wasteful number, since it uses less digits than its factorization.

88691449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60660.

The product of its digits is 497664, while the sum is 49.

The square root of 88691449 is about 9417.6137635815. The cubic root of 88691449 is about 445.9579565159.

The spelling of 88691449 in words is "eighty-eight million, six hundred ninety-one thousand, four hundred forty-nine".