88406215 has 4 divisors (see below), whose sum is σ = 106087464. Its totient is φ = 70724968.

The previous prime is 88406207. The next prime is 88406233. The reversal of 88406215 is 51260488.

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

It is a cyclic number.

It is not a de Polignac number, because 88406215 - 2³ = 88406207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8840617 + ... + 8840626.

It is an arithmetic number, because the mean of its divisors is an integer number (26521866).

Almost surely, 2^88406215 is an apocalyptic number.

88406215 is a deficient number, since it is larger than the sum of its proper divisors (17681249).

88406215 is a wasteful number, since it uses less digits than its factorization.

88406215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17681248.

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 88406215 is about 9402.4579233305. The cubic root of 88406215 is about 445.4793723179.

The spelling of 88406215 in words is "eighty-eight million, four hundred six thousand, two hundred fifteen".