4197156 has 24 divisors (see below), whose sum is σ = 9893184. Its totient is φ = 1384800.

The previous prime is 4197143. The next prime is 4197161. The reversal of 4197156 is 6517914.

It is a super-2 number, since 2×4197156² = 35232236976672, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 520 + ... + 2943.

It is an arithmetic number, because the mean of its divisors is an integer number (412216).

Almost surely, 2^4197156 is an apocalyptic number.

It is an amenable number.

4197156 is an abundant number, since it is smaller than the sum of its proper divisors (5696028).

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

4197156 is a wasteful number, since it uses less digits than its factorization.

4197156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3571 (or 3569 counting only the distinct ones).

The product of its digits is 7560, while the sum is 33.

The square root of 4197156 is about 2048.6961707388. The cubic root of 4197156 is about 161.3064389900.

The spelling of 4197156 in words is "four million, one hundred ninety-seven thousand, one hundred fifty-six".