3915949 has 8 divisors (see below), whose sum is σ = 4007648. Its totient is φ = 3825360.

The previous prime is 3915941. The next prime is 3915953. The reversal of 3915949 is 9495193.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3915949 - 2³ = 3915941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3915941) 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, 13999 + ... + 14275.

It is an arithmetic number, because the mean of its divisors is an integer number (500956).

Almost surely, 2^3915949 is an apocalyptic number.

It is an amenable number.

3915949 is a deficient number, since it is larger than the sum of its proper divisors (91699).

3915949 is a wasteful number, since it uses less digits than its factorization.

3915949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555.

The product of its digits is 43740, while the sum is 40.

The square root of 3915949 is about 1978.8756908912. The cubic root of 3915949 is about 157.6203698966.

The spelling of 3915949 in words is "three million, nine hundred fifteen thousand, nine hundred forty-nine".