94000639 has 2 divisors, whose sum is σ = 94000640. Its totient is φ = 94000638.

The previous prime is 94000603. The next prime is 94000651. The reversal of 94000639 is 93600049.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 94000639 - 2¹³ = 93992447 is a prime.

It is a super-2 number, since 2×94000639² = 17672240264816642, which contains 22 as substring.

It is equal to p_5435149 and since 94000639 and 5435149 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 94000639.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (94001639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47000319 + 47000320.

It is an arithmetic number, because the mean of its divisors is an integer number (47000320).

Almost surely, 2^94000639 is an apocalyptic number.

94000639 is a deficient number, since it is larger than the sum of its proper divisors (1).

94000639 is an equidigital number, since it uses as much as digits as its factorization.

94000639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 94000639 is about 9695.3926686855. The cubic root of 94000639 is about 454.6846246690.

The spelling of 94000639 in words is "ninety-four million, six hundred thirty-nine", and thus it is an aban number.