342626643 has 12 divisors (see below), whose sum is σ = 499806528. Its totient is φ = 226155600.

The previous prime is 342626611. The next prime is 342626657. The reversal of 342626643 is 346626243.

342626643 is a `hidden beast` number, since 3 + 4 + 2 + 6 + 2 + 6 + 643 = 666.

It is not a de Polignac number, because 342626643 - 2⁵ = 342626611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 342626598 and 342626607.

It is not an unprimeable number, because it can be changed into a prime (342626693) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 187555 + ... + 189372.

It is an arithmetic number, because the mean of its divisors is an integer number (41650544).

Almost surely, 2^342626643 is an apocalyptic number.

342626643 is a deficient number, since it is larger than the sum of its proper divisors (157179885).

342626643 is a wasteful number, since it uses less digits than its factorization.

342626643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377034 (or 377031 counting only the distinct ones).

The product of its digits is 124416, while the sum is 36.

The square root of 342626643 is about 18510.1767414577. The cubic root of 342626643 is about 699.7459234361.

The spelling of 342626643 in words is "three hundred forty-two million, six hundred twenty-six thousand, six hundred forty-three".