934749639 has 20 divisors (see below), whose sum is σ = 1397177320. Its totient is φ = 622799280.

The previous prime is 934749619. The next prime is 934749649. The reversal of 934749639 is 936947439.

It is not a de Polignac number, because 934749639 - 2⁷ = 934749511 is a prime.

It is a super-2 number, since 2×934749639² = 1747513775221260642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (934749619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 262209 + ... + 265749.

It is an arithmetic number, because the mean of its divisors is an integer number (69858866).

Almost surely, 2^934749639 is an apocalyptic number.

934749639 is a deficient number, since it is larger than the sum of its proper divisors (462427681).

934749639 is a wasteful number, since it uses less digits than its factorization.

934749639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6812 (or 6803 counting only the distinct ones).

The product of its digits is 4408992, while the sum is 54.

The square root of 934749639 is about 30573.6755886498. The cubic root of 934749639 is about 977.7588795470.

The spelling of 934749639 in words is "nine hundred thirty-four million, seven hundred forty-nine thousand, six hundred thirty-nine".