6115994 has 4 divisors (see below), whose sum is σ = 9173994. Its totient is φ = 3057996.

The previous prime is 6115979. The next prime is 6116009. The reversal of 6115994 is 4995116.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (6115979) and next prime (6116009).

It can be written as a sum of positive squares in only one way, i.e., 4464769 + 1651225 = 2113^2 + 1285^2 .

It is an unprimeable number.

It is an upside-down number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1528997 + ... + 1529000.

Almost surely, 2^6115994 is an apocalyptic number.

6115994 is a deficient number, since it is larger than the sum of its proper divisors (3058000).

6115994 is a wasteful number, since it uses less digits than its factorization.

6115994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3057999.

The product of its digits is 9720, while the sum is 35.

The square root of 6115994 is about 2473.0535780690. The cubic root of 6115994 is about 182.8755661195.

The spelling of 6115994 in words is "six million, one hundred fifteen thousand, nine hundred ninety-four".