88304981 has 4 divisors (see below), whose sum is σ = 92144352. Its totient is φ = 84465612.

The previous prime is 88304969. The next prime is 88305023. The reversal of 88304981 is 18940388.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88304981 is a prime.

It is a super-2 number, since 2×88304981² = 15595539338820722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88304911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1919651 + ... + 1919696.

It is an arithmetic number, because the mean of its divisors is an integer number (23036088).

Almost surely, 2^88304981 is an apocalyptic number.

It is an amenable number.

88304981 is a deficient number, since it is larger than the sum of its proper divisors (3839371).

88304981 is a wasteful number, since it uses less digits than its factorization.

88304981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3839370.

The product of its (nonzero) digits is 55296, while the sum is 41.

The square root of 88304981 is about 9397.0730017384. The cubic root of 88304981 is about 445.3092678235.

The spelling of 88304981 in words is "eighty-eight million, three hundred four thousand, nine hundred eighty-one".