3972154 has 8 divisors (see below), whose sum is σ = 6150528. Its totient is φ = 1921980.

The previous prime is 3972151. The next prime is 3972167. The reversal of 3972154 is 4512793.

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

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (3972151) 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, 31972 + ... + 32095.

It is an arithmetic number, because the mean of its divisors is an integer number (768816).

Almost surely, 2^3972154 is an apocalyptic number.

3972154 is a deficient number, since it is larger than the sum of its proper divisors (2178374).

3972154 is a wasteful number, since it uses less digits than its factorization.

3972154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64100.

The product of its digits is 7560, while the sum is 31.

The square root of 3972154 is about 1993.0263420236. The cubic root of 3972154 is about 158.3708906904.

The spelling of 3972154 in words is "three million, nine hundred seventy-two thousand, one hundred fifty-four".