94728239 has 16 divisors (see below), whose sum is σ = 100055520. Its totient is φ = 89564160.

The previous prime is 94728229. The next prime is 94728241. The reversal of 94728239 is 93282749.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-94728239 is a prime.

It is a super-2 number, since 2×94728239² = 17946878528082242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 94728239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94728229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 448844 + ... + 449054.

It is an arithmetic number, because the mean of its divisors is an integer number (6253470).

Almost surely, 2^94728239 is an apocalyptic number.

94728239 is a deficient number, since it is larger than the sum of its proper divisors (5327281).

94728239 is a wasteful number, since it uses less digits than its factorization.

94728239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490.

The product of its digits is 217728, while the sum is 44.

The square root of 94728239 is about 9732.8433152908. The cubic root of 94728239 is about 455.8547536150.

The spelling of 94728239 in words is "ninety-four million, seven hundred twenty-eight thousand, two hundred thirty-nine".