3970993 has 6 divisors (see below), whose sum is σ = 4300134. Its totient is φ = 3665376.

The previous prime is 3970991. The next prime is 3970997. The reversal of 3970993 is 3990793.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 97969 + 3873024 = 313^2 + 1968^2 .

It is not a de Polignac number, because 3970993 - 2¹ = 3970991 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 (3970991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11580 + ... + 11917.

It is an arithmetic number, because the mean of its divisors is an integer number (716689).

Almost surely, 2^3970993 is an apocalyptic number.

It is an amenable number.

3970993 is a deficient number, since it is larger than the sum of its proper divisors (329141).

3970993 is a wasteful number, since it uses less digits than its factorization.

3970993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23523 (or 23510 counting only the distinct ones).

The product of its (nonzero) digits is 45927, while the sum is 40.

The square root of 3970993 is about 1992.7350551441. The cubic root of 3970993 is about 158.3554593886.

The spelling of 3970993 in words is "three million, nine hundred seventy thousand, nine hundred ninety-three".