3970115 has 4 divisors (see below), whose sum is σ = 4764144. Its totient is φ = 3176088.

The previous prime is 3970111. The next prime is 3970121. The reversal of 3970115 is 5110793.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5110793 = 71 ⋅71983.

It is a cyclic number.

It is not a de Polignac number, because 3970115 - 2² = 3970111 is a prime.

It is a super-2 number, since 2×3970115² = 31523626226450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3970111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 397007 + ... + 397016.

It is an arithmetic number, because the mean of its divisors is an integer number (1191036).

Almost surely, 2^3970115 is an apocalyptic number.

3970115 is a deficient number, since it is larger than the sum of its proper divisors (794029).

3970115 is an equidigital number, since it uses as much as digits as its factorization.

3970115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794028.

The product of its (nonzero) digits is 945, while the sum is 26.

The square root of 3970115 is about 1992.5147427309. The cubic root of 3970115 is about 158.3437875523.

The spelling of 3970115 in words is "three million, nine hundred seventy thousand, one hundred fifteen".