3913970 has 8 divisors (see below), whose sum is σ = 7045164. Its totient is φ = 1565584.

The previous prime is 3913969. The next prime is 3913991. The reversal of 3913970 is 793193.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3690241 + 223729 = 1921^2 + 473^2 .

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

It is a super-2 number, since 2×3913970² = 30638322321800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195689 + ... + 195708.

Almost surely, 2^3913970 is an apocalyptic number.

3913970 is a deficient number, since it is larger than the sum of its proper divisors (3131194).

3913970 is a wasteful number, since it uses less digits than its factorization.

3913970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391404.

The product of its (nonzero) digits is 5103, while the sum is 32.

The square root of 3913970 is about 1978.3755962911. The cubic root of 3913970 is about 157.5938132626.

The spelling of 3913970 in words is "three million, nine hundred thirteen thousand, nine hundred seventy".