3972195 has 24 divisors (see below), whose sum is σ = 6960096. Its totient is φ = 2095488.

The previous prime is 3972193. The next prime is 3972223. The reversal of 3972195 is 5912793.

It is not a de Polignac number, because 3972195 - 2¹ = 3972193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3972193) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4207 + ... + 5063.

It is an arithmetic number, because the mean of its divisors is an integer number (290004).

Almost surely, 2^3972195 is an apocalyptic number.

3972195 is a deficient number, since it is larger than the sum of its proper divisors (2987901).

3972195 is a wasteful number, since it uses less digits than its factorization.

3972195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971 (or 968 counting only the distinct ones).

The product of its digits is 17010, while the sum is 36.

The square root of 3972195 is about 1993.0366278621. The cubic root of 3972195 is about 158.3714355824.

The spelling of 3972195 in words is "three million, nine hundred seventy-two thousand, one hundred ninety-five".