3956994 has 24 divisors (see below), whose sum is σ = 8611200. Its totient is φ = 1313208.

The previous prime is 3956983. The next prime is 3956999. The reversal of 3956994 is 4996593.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3956999) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6307 + ... + 6905.

It is an arithmetic number, because the mean of its divisors is an integer number (358800).

Almost surely, 2^3956994 is an apocalyptic number.

3956994 is an abundant number, since it is smaller than the sum of its proper divisors (4654206).

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

3956994 is a wasteful number, since it uses less digits than its factorization.

3956994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974 (or 971 counting only the distinct ones).

The product of its digits is 262440, while the sum is 45.

The square root of 3956994 is about 1989.2194449080. The cubic root of 3956994 is about 158.1691560145.

It can be divided in two parts, 3956 and 994, that added together give a triangular number (4950 = T₉₉).

The spelling of 3956994 in words is "three million, nine hundred fifty-six thousand, nine hundred ninety-four".