3913629 has 4 divisors (see below), whose sum is σ = 5218176. Its totient is φ = 2609084.

The previous prime is 3913627. The next prime is 3913633. The reversal of 3913629 is 9263193.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9263193 = 3 ⋅3087731.

It is a cyclic number.

It is not a de Polignac number, because 3913629 - 2¹ = 3913627 is a prime.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 3913629.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3913627) 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, 652269 + ... + 652274.

It is an arithmetic number, because the mean of its divisors is an integer number (1304544).

Almost surely, 2^3913629 is an apocalyptic number.

It is an amenable number.

3913629 is a deficient number, since it is larger than the sum of its proper divisors (1304547).

3913629 is a wasteful number, since it uses less digits than its factorization.

3913629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1304546.

The product of its digits is 8748, while the sum is 33.

The square root of 3913629 is about 1978.2894125987. The cubic root of 3913629 is about 157.5892364049.

The spelling of 3913629 in words is "three million, nine hundred thirteen thousand, six hundred twenty-nine".