3970355 has 4 divisors (see below), whose sum is σ = 4764432. Its totient is φ = 3176280.

The previous prime is 3970349. The next prime is 3970357. The reversal of 3970355 is 5530793.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5530793 = 29 ⋅190717.

It is not a de Polignac number, because 3970355 - 2⁴ = 3970339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3970357) 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, 397031 + ... + 397040.

It is an arithmetic number, because the mean of its divisors is an integer number (1191108).

Almost surely, 2^3970355 is an apocalyptic number.

3970355 is a deficient number, since it is larger than the sum of its proper divisors (794077).

3970355 is an equidigital number, since it uses as much as digits as its factorization.

3970355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794076.

The product of its (nonzero) digits is 14175, while the sum is 32.

The square root of 3970355 is about 1992.5749672221. The cubic root of 3970355 is about 158.3469782023.

The spelling of 3970355 in words is "three million, nine hundred seventy thousand, three hundred fifty-five".