88440406 has 4 divisors (see below), whose sum is σ = 132660612. Its totient is φ = 44220202.

The previous prime is 88440389. The next prime is 88440413. The reversal of 88440406 is 60404488.

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

It is a super-3 number, since 3×88440406³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22110100 + ... + 22110103.

It is an arithmetic number, because the mean of its divisors is an integer number (33165153).

Almost surely, 2^88440406 is an apocalyptic number.

88440406 is a deficient number, since it is larger than the sum of its proper divisors (44220206).

88440406 is a wasteful number, since it uses less digits than its factorization.

88440406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44220205.

The product of its (nonzero) digits is 24576, while the sum is 34.

The square root of 88440406 is about 9404.2759423573. The cubic root of 88440406 is about 445.5367944575.

The spelling of 88440406 in words is "eighty-eight million, four hundred forty thousand, four hundred six".