402196943 has 8 divisors (see below), whose sum is σ = 404112912. Its totient is φ = 400286016.

The previous prime is 402196933. The next prime is 402196957. The reversal of 402196943 is 349691204.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402196943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 402196897 and 402196906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402196933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324521 + ... + 325757.

It is an arithmetic number, because the mean of its divisors is an integer number (50514114).

Almost surely, 2^402196943 is an apocalyptic number.

402196943 is a deficient number, since it is larger than the sum of its proper divisors (1915969).

402196943 is a wasteful number, since it uses less digits than its factorization.

402196943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2521.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 402196943 is about 20054.8483664175. The cubic root of 402196943 is about 738.1527721614.

The spelling of 402196943 in words is "four hundred two million, one hundred ninety-six thousand, nine hundred forty-three".