3901739 has 4 divisors (see below), whose sum is σ = 3905880. Its totient is φ = 3897600.

The previous prime is 3901727. The next prime is 3901741. The reversal of 3901739 is 9371093.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9371093 = 197 ⋅47569.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3901739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3901439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107 + ... + 2795.

It is an arithmetic number, because the mean of its divisors is an integer number (976470).

Almost surely, 2^3901739 is an apocalyptic number.

3901739 is a deficient number, since it is larger than the sum of its proper divisors (4141).

3901739 is a wasteful number, since it uses less digits than its factorization.

3901739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4140.

The product of its (nonzero) digits is 5103, while the sum is 32.

The square root of 3901739 is about 1975.2820051831. The cubic root of 3901739 is about 157.4294838442.

The spelling of 3901739 in words is "three million, nine hundred one thousand, seven hundred thirty-nine".