3970995 has 32 divisors (see below), whose sum is σ = 7395840. Its totient is φ = 1781760.

The previous prime is 3970991. The next prime is 3970997. The reversal of 3970995 is 5990793.

It is a happy number.

It is not a de Polignac number, because 3970995 - 2² = 3970991 is a prime.

3970995 is a lucky 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 31 ways as a sum of consecutive naturals, for example, 5875 + ... + 6515.

It is an arithmetic number, because the mean of its divisors is an integer number (231120).

Almost surely, 2^3970995 is an apocalyptic number.

3970995 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3970995 is a deficient number, since it is larger than the sum of its proper divisors (3424845).

3970995 is a wasteful number, since it uses less digits than its factorization.

3970995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715.

The product of its (nonzero) digits is 76545, while the sum is 42.

The square root of 3970995 is about 1992.7355569669. The cubic root of 3970995 is about 158.3554859740.

The spelling of 3970995 in words is "three million, nine hundred seventy thousand, nine hundred ninety-five".