3970999 has 8 divisors (see below), whose sum is σ = 4140000. Its totient is φ = 3804192.

The previous prime is 3970997. The next prime is 3971027. The reversal of 3970999 is 9990793.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3970999 - 2¹ = 3970997 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3970991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3862 + ... + 4780.

It is an arithmetic number, because the mean of its divisors is an integer number (517500).

Almost surely, 2^3970999 is an apocalyptic number.

3970999 is a deficient number, since it is larger than the sum of its proper divisors (169001).

3970999 is a wasteful number, since it uses less digits than its factorization.

3970999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097.

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

The square root of 3970999 is about 1992.7365606121. The cubic root of 3970999 is about 158.3555391447.

The spelling of 3970999 in words is "three million, nine hundred seventy thousand, nine hundred ninety-nine".