3976629 has 4 divisors (see below), whose sum is σ = 5302176. Its totient is φ = 2651084.

The previous prime is 3976619. The next prime is 3976633. The reversal of 3976629 is 9266793.

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: 9266793 = 3 ⋅3088931.

It is a cyclic number.

It is not a de Polignac number, because 3976629 - 2¹² = 3972533 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3976619) 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, 662769 + ... + 662774.

It is an arithmetic number, because the mean of its divisors is an integer number (1325544).

Almost surely, 2^3976629 is an apocalyptic number.

It is an amenable number.

3976629 is a deficient number, since it is larger than the sum of its proper divisors (1325547).

3976629 is a wasteful number, since it uses less digits than its factorization.

3976629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325546.

The product of its digits is 122472, while the sum is 42.

The square root of 3976629 is about 1994.1486905444. The cubic root of 3976629 is about 158.4303415375.

The spelling of 3976629 in words is "three million, nine hundred seventy-six thousand, six hundred twenty-nine".