6117639 has 24 divisors (see below), whose sum is σ = 9448320. Its totient is φ = 3508560.

The previous prime is 6117613. The next prime is 6117641. The reversal of 6117639 is 9367116.

It is not a de Polignac number, because 6117639 - 2⁵ = 6117607 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a d-powerful number, because it can be written as 6⁶ + 1 + 1 + 7⁸ + 6⁷ + 3⁹ + 9⁴ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6117649) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6454 + ... + 7340.

It is an arithmetic number, because the mean of its divisors is an integer number (393680).

Almost surely, 2^6117639 is an apocalyptic number.

6117639 is a deficient number, since it is larger than the sum of its proper divisors (3330681).

6117639 is a wasteful number, since it uses less digits than its factorization.

6117639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931 (or 920 counting only the distinct ones).

The product of its digits is 6804, while the sum is 33.

The square root of 6117639 is about 2473.3861404965. The cubic root of 6117639 is about 182.8919604750.

The spelling of 6117639 in words is "six million, one hundred seventeen thousand, six hundred thirty-nine".