3913739 has 8 divisors (see below), whose sum is σ = 4008960. Its totient is φ = 3819816.

The previous prime is 3913727. The next prime is 3913747. The reversal of 3913739 is 9373193.

3913739 = T₇₄ + T₇₅ + ... + T₂₈₇.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3913739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3913699 and 3913708.

It is not an unprimeable number, because it can be changed into a prime (3913139) 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, 8222 + ... + 8684.

It is an arithmetic number, because the mean of its divisors is an integer number (501120).

Almost surely, 2^3913739 is an apocalyptic number.

3913739 is a deficient number, since it is larger than the sum of its proper divisors (95221).

3913739 is a wasteful number, since it uses less digits than its factorization.

3913739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649.

The product of its digits is 15309, while the sum is 35.

The square root of 3913739 is about 1978.3172142000. The cubic root of 3913739 is about 157.5907128397.

The spelling of 3913739 in words is "three million, nine hundred thirteen thousand, seven hundred thirty-nine".