3101994 has 36 divisors (see below), whose sum is σ = 7820514. Its totient is φ = 886032.

The previous prime is 3101971. The next prime is 3101999. The reversal of 3101994 is 4991013.

It can be written as a sum of positive squares in only one way, i.e., 1863225 + 1238769 = 1365^2 + 1113^2 .

It is not an unprimeable number, because it can be changed into a prime (3101999) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 877 + ... + 2640.

Almost surely, 2^3101994 is an apocalyptic number.

3101994 is an abundant number, since it is smaller than the sum of its proper divisors (4718520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3101994 is a wasteful number, since it uses less digits than its factorization.

3101994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3539 (or 3529 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 3101994 is about 1761.2478530860. The cubic root of 3101994 is about 145.8412297946.

It can be divided in two parts, 31019 and 94, that added together give a palindrome (31113).

The spelling of 3101994 in words is "three million, one hundred one thousand, nine hundred ninety-four".