3949158 has 16 divisors (see below), whose sum is σ = 8112240. Its totient is φ = 1280736.

The previous prime is 3949157. The next prime is 3949177. The reversal of 3949158 is 8519493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3949157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8673 + ... + 9116.

It is an arithmetic number, because the mean of its divisors is an integer number (507015).

Almost surely, 2^3949158 is an apocalyptic number.

3949158 is an abundant number, since it is smaller than the sum of its proper divisors (4163082).

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

3949158 is a wasteful number, since it uses less digits than its factorization.

3949158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17831.

The product of its digits is 38880, while the sum is 39.

The square root of 3949158 is about 1987.2488520565. The cubic root of 3949158 is about 158.0646800292.

The spelling of 3949158 in words is "three million, nine hundred forty-nine thousand, one hundred fifty-eight".