94409439 has 4 divisors (see below), whose sum is σ = 125879256. Its totient is φ = 62939624.

The previous prime is 94409431. The next prime is 94409443. The reversal of 94409439 is 93490449.

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 94409439 - 2³ = 94409431 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 94409439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94409431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15734904 + ... + 15734909.

It is an arithmetic number, because the mean of its divisors is an integer number (31469814).

Almost surely, 2^94409439 is an apocalyptic number.

94409439 is a deficient number, since it is larger than the sum of its proper divisors (31469817).

94409439 is a wasteful number, since it uses less digits than its factorization.

94409439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31469816.

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 94409439 is about 9716.4519759015. The cubic root of 94409439 is about 455.3427984664.

The spelling of 94409439 in words is "ninety-four million, four hundred nine thousand, four hundred thirty-nine".