3972951 has 24 divisors (see below), whose sum is σ = 6346080. Its totient is φ = 2382336.

The previous prime is 3972937. The next prime is 3972953. The reversal of 3972951 is 1592793.

It is not a de Polignac number, because 3972951 - 2⁹ = 3972439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3972953) 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, 2955 + ... + 4083.

It is an arithmetic number, because the mean of its divisors is an integer number (264420).

Almost surely, 2^3972951 is an apocalyptic number.

3972951 is a deficient number, since it is larger than the sum of its proper divisors (2373129).

3972951 is a wasteful number, since it uses less digits than its factorization.

3972951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175 (or 1172 counting only the distinct ones).

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

The square root of 3972951 is about 1993.2262791766. The cubic root of 3972951 is about 158.3814821863.

The spelling of 3972951 in words is "three million, nine hundred seventy-two thousand, nine hundred fifty-one".