3997099 has 4 divisors (see below), whose sum is σ = 4134960. Its totient is φ = 3859240.

The previous prime is 3997069. The next prime is 3997111. The reversal of 3997099 is 9907993.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3997099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3997039) 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, 68887 + ... + 68944.

It is an arithmetic number, because the mean of its divisors is an integer number (1033740).

Almost surely, 2^3997099 is an apocalyptic number.

3997099 is a deficient number, since it is larger than the sum of its proper divisors (137861).

3997099 is a wasteful number, since it uses less digits than its factorization.

3997099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137860.

The product of its (nonzero) digits is 137781, while the sum is 46.

The square root of 3997099 is about 1999.2746184554. The cubic root of 3997099 is about 158.7017204954.

The spelling of 3997099 in words is "three million, nine hundred ninety-seven thousand, ninety-nine".