88990369 has 4 divisors (see below), whose sum is σ = 95835796. Its totient is φ = 82144944.

The previous prime is 88990351. The next prime is 88990379. The reversal of 88990369 is 96309988.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38750625 + 50239744 = 6225^2 + 7088^2 .

It is a cyclic number.

It is not a de Polignac number, because 88990369 - 2²⁵ = 55435937 is a prime.

It is a super-2 number, since 2×88990369² = 15838571549512322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88990379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3422694 + ... + 3422719.

It is an arithmetic number, because the mean of its divisors is an integer number (23958949).

Almost surely, 2^88990369 is an apocalyptic number.

It is an amenable number.

88990369 is a deficient number, since it is larger than the sum of its proper divisors (6845427).

88990369 is a wasteful number, since it uses less digits than its factorization.

88990369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6845426.

The product of its (nonzero) digits is 839808, while the sum is 52.

The square root of 88990369 is about 9433.4706762676. The cubic root of 88990369 is about 446.4584041236.

The spelling of 88990369 in words is "eighty-eight million, nine hundred ninety thousand, three hundred sixty-nine".