3972846 has 8 divisors (see below), whose sum is σ = 7945704. Its totient is φ = 1324280.

The previous prime is 3972841. The next prime is 3972851. The reversal of 3972846 is 6482793.

It is an interprime number because it is at equal distance from previous prime (3972841) and next prime (3972851).

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

3972846 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3972841) 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, 331065 + ... + 331076.

It is an arithmetic number, because the mean of its divisors is an integer number (993213).

Almost surely, 2^3972846 is an apocalyptic number.

3972846 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3972846 is a wasteful number, since it uses less digits than its factorization.

3972846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662146.

The product of its digits is 72576, while the sum is 39.

The square root of 3972846 is about 1993.1999397953. The cubic root of 3972846 is about 158.3800869009.

The spelling of 3972846 in words is "three million, nine hundred seventy-two thousand, eight hundred forty-six".