3913144 has 32 divisors (see below), whose sum is σ = 7711200. Its totient is φ = 1859200.

The previous prime is 3913139. The next prime is 3913159. The reversal of 3913144 is 4413193.

3913144 = T₈₇ + T₈₈ + ... + T₂₈₈.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23349 + ... + 23515.

It is an arithmetic number, because the mean of its divisors is an integer number (240975).

Almost surely, 2^3913144 is an apocalyptic number.

It is an amenable number.

3913144 is a deficient number, since it is larger than the sum of its proper divisors (3798056).

3913144 is a wasteful number, since it uses less digits than its factorization.

3913144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303 (or 299 counting only the distinct ones).

The product of its digits is 1296, while the sum is 25.

The square root of 3913144 is about 1978.1668281518. The cubic root of 3913144 is about 157.5827263399.

The spelling of 3913144 in words is "three million, nine hundred thirteen thousand, one hundred forty-four".