3970497 has 4 divisors (see below), whose sum is σ = 5294000. Its totient is φ = 2646996.

The previous prime is 3970493. The next prime is 3970529. The reversal of 3970497 is 7940793.

3970497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3970497 - 2² = 3970493 is a prime.

It is a D-number.

It is a Duffinian number.

3970497 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3970493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 661747 + ... + 661752.

It is an arithmetic number, because the mean of its divisors is an integer number (1323500).

Almost surely, 2^3970497 is an apocalyptic number.

It is an amenable number.

3970497 is a deficient number, since it is larger than the sum of its proper divisors (1323503).

3970497 is a wasteful number, since it uses less digits than its factorization.

3970497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323502.

The product of its (nonzero) digits is 47628, while the sum is 39.

The square root of 3970497 is about 1992.6105991889. The cubic root of 3970497 is about 158.3488659431.

The spelling of 3970497 in words is "three million, nine hundred seventy thousand, four hundred ninety-seven".