3992601 has 4 divisors (see below), whose sum is σ = 5323472. Its totient is φ = 2661732.

The previous prime is 3992587. The next prime is 3992609. The reversal of 3992601 is 1062993.

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.

It is not a de Polignac number, because 3992601 - 2⁹ = 3992089 is a prime.

It is a super-4 number, since 4×3992601⁴ (a number of 28 digits) contains 4444 as substring.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3992609) 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, 665431 + ... + 665436.

It is an arithmetic number, because the mean of its divisors is an integer number (1330868).

Almost surely, 2^3992601 is an apocalyptic number.

It is an amenable number.

3992601 is a deficient number, since it is larger than the sum of its proper divisors (1330871).

3992601 is a wasteful number, since it uses less digits than its factorization.

3992601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330870.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 3992601 is about 1998.1493938142. The cubic root of 3992601 is about 158.6421682825.

The spelling of 3992601 in words is "three million, nine hundred ninety-two thousand, six hundred one".