3992413 has 4 divisors (see below), whose sum is σ = 4202560. Its totient is φ = 3782268.

The previous prime is 3992407. The next prime is 3992419. The reversal of 3992413 is 3142993.

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: 3142993 = 7 ⋅448999.

It is an interprime number because it is at equal distance from previous prime (3992407) and next prime (3992419).

It is a cyclic number.

It is not a de Polignac number, because 3992413 - 2⁵ = 3992381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3992419) 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, 105045 + ... + 105082.

It is an arithmetic number, because the mean of its divisors is an integer number (1050640).

Almost surely, 2^3992413 is an apocalyptic number.

It is an amenable number.

3992413 is a deficient number, since it is larger than the sum of its proper divisors (210147).

3992413 is a wasteful number, since it uses less digits than its factorization.

3992413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210146.

The product of its digits is 5832, while the sum is 31.

The square root of 3992413 is about 1998.1023497309. The cubic root of 3992413 is about 158.6396782436.

The spelling of 3992413 in words is "three million, nine hundred ninety-two thousand, four hundred thirteen".