88215394 has 16 divisors (see below), whose sum is σ = 134975736. Its totient is φ = 43228800.

The previous prime is 88215383. The next prime is 88215409. The reversal of 88215394 is 49351288.

It can be written as a sum of positive squares in 4 ways, for example, as 32638369 + 55577025 = 5713^2 + 7455^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37534 + ... + 39814.

Almost surely, 2^88215394 is an apocalyptic number.

88215394 is a deficient number, since it is larger than the sum of its proper divisors (46760342).

88215394 is a wasteful number, since it uses less digits than its factorization.

88215394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2661.

The product of its digits is 69120, while the sum is 40.

The square root of 88215394 is about 9392.3050418947. The cubic root of 88215394 is about 445.1586254340.

The spelling of 88215394 in words is "eighty-eight million, two hundred fifteen thousand, three hundred ninety-four".