396157443 has 24 divisors (see below), whose sum is σ = 612133440. Its totient is φ = 225966720.

The previous prime is 396157403. The next prime is 396157481. The reversal of 396157443 is 344751693.

It is not a de Polignac number, because 396157443 - 2⁶ = 396157379 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 396157395 and 396157404.

It is not an unprimeable number, because it can be changed into a prime (396157403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11233 + ... + 30306.

It is an arithmetic number, because the mean of its divisors is an integer number (25505560).

Almost surely, 2^396157443 is an apocalyptic number.

396157443 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

396157443 is a deficient number, since it is larger than the sum of its proper divisors (215975997).

396157443 is a wasteful number, since it uses less digits than its factorization.

396157443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41587 (or 41570 counting only the distinct ones).

The product of its digits is 272160, while the sum is 42.

The square root of 396157443 is about 19903.7042532288. The cubic root of 396157443 is about 734.4393540297.

The spelling of 396157443 in words is "three hundred ninety-six million, one hundred fifty-seven thousand, four hundred forty-three".