411997156 has 6 divisors (see below), whose sum is σ = 720995030. Its totient is φ = 205998576.

The previous prime is 411997153. The next prime is 411997163. The reversal of 411997156 is 651799114.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 400640256 + 11356900 = 20016^2 + 3370^2 .

It is not an unprimeable number, because it can be changed into a prime (411997153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51499641 + ... + 51499648.

Almost surely, 2^411997156 is an apocalyptic number.

It is an amenable number.

411997156 is a deficient number, since it is larger than the sum of its proper divisors (308997874).

411997156 is a wasteful number, since it uses less digits than its factorization.

411997156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102999293 (or 102999291 counting only the distinct ones).

The product of its digits is 68040, while the sum is 43.

The square root of 411997156 is about 20297.7130731519. The cubic root of 411997156 is about 744.1001739130.

The spelling of 411997156 in words is "four hundred eleven million, nine hundred ninety-seven thousand, one hundred fifty-six".