3743639 has 8 divisors (see below), whose sum is σ = 3900960. Its totient is φ = 3588256.

The previous prime is 3743599. The next prime is 3743647. The reversal of 3743639 is 9363473.

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-3743639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3743599 and 3743608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3743699) 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, 4457 + ... + 5229.

It is an arithmetic number, because the mean of its divisors is an integer number (487620).

Almost surely, 2^3743639 is an apocalyptic number.

3743639 is a deficient number, since it is larger than the sum of its proper divisors (157321).

3743639 is a wasteful number, since it uses less digits than its factorization.

3743639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969.

The product of its digits is 40824, while the sum is 35.

The square root of 3743639 is about 1934.8485728863. The cubic root of 3743639 is about 155.2737306659.

The spelling of 3743639 in words is "three million, seven hundred forty-three thousand, six hundred thirty-nine".