3973158 has 64 divisors (see below), whose sum is σ = 10552320. Its totient is φ = 1083456.

The previous prime is 3973153. The next prime is 3973163. The reversal of 3973158 is 8513793.

It is an interprime number because it is at equal distance from previous prime (3973153) and next prime (3973163).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3973153) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8466 + ... + 8922.

It is an arithmetic number, because the mean of its divisors is an integer number (164880).

Almost surely, 2^3973158 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3973158, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5276160).

3973158 is an abundant number, since it is smaller than the sum of its proper divisors (6579162).

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

3973158 is a wasteful number, since it uses less digits than its factorization.

3973158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498 (or 492 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 3973158 is about 1993.2782043659. The cubic root of 3973158 is about 158.3842328199.

The spelling of 3973158 in words is "three million, nine hundred seventy-three thousand, one hundred fifty-eight".