3870997 has 8 divisors (see below), whose sum is σ = 4193280. Its totient is φ = 3552240.

The previous prime is 3870983. The next prime is 3871009. The reversal of 3870997 is 7990783.

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 3870997 - 2⁷ = 3870869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3870947) 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, 1704 + ... + 3262.

It is an arithmetic number, because the mean of its divisors is an integer number (524160).

Almost surely, 2^3870997 is an apocalyptic number.

It is an amenable number.

3870997 is a deficient number, since it is larger than the sum of its proper divisors (322283).

3870997 is a wasteful number, since it uses less digits than its factorization.

3870997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1763.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 3870997 is about 1967.4849427632. The cubic root of 3870997 is about 157.0149281923.

The spelling of 3870997 in words is "three million, eight hundred seventy thousand, nine hundred ninety-seven".