3901949 has 8 divisors (see below), whose sum is σ = 4036032. Its totient is φ = 3769920.

The previous prime is 3901943. The next prime is 3901951. The reversal of 3901949 is 9491093.

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 3901949 - 2⁸ = 3901693 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 (3901943) 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, 3989 + ... + 4869.

It is an arithmetic number, because the mean of its divisors is an integer number (504504).

Almost surely, 2^3901949 is an apocalyptic number.

It is an amenable number.

3901949 is a deficient number, since it is larger than the sum of its proper divisors (134083).

3901949 is a wasteful number, since it uses less digits than its factorization.

3901949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 3901949 is about 1975.3351614346. The cubic root of 3901949 is about 157.4323081915.

The spelling of 3901949 in words is "three million, nine hundred one thousand, nine hundred forty-nine".