88649397 has 10 divisors (see below), whose sum is σ = 132426998. Its totient is φ = 59099544.

The previous prime is 88649381. The next prime is 88649399. The reversal of 88649397 is 79394688.

It can be written as a sum of positive squares in only one way, i.e., 86601636 + 2047761 = 9306^2 + 1431^2 .

It is not a de Polignac number, because 88649397 - 2⁴ = 88649381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88649399) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 547138 + ... + 547299.

Almost surely, 2^88649397 is an apocalyptic number.

It is an amenable number.

88649397 is a deficient number, since it is larger than the sum of its proper divisors (43777601).

88649397 is a wasteful number, since it uses less digits than its factorization.

88649397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094449 (or 1094440 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 88649397 is about 9415.3808738680. The cubic root of 88649397 is about 445.8874634793.

The spelling of 88649397 in words is "eighty-eight million, six hundred forty-nine thousand, three hundred ninety-seven".