342813393 has 24 divisors (see below), whose sum is σ = 538177640. Its totient is φ = 209018880.

The previous prime is 342813349. The next prime is 342813397. The reversal of 342813393 is 393318243.

It can be written as a sum of positive squares in 4 ways, for example, as 63489024 + 279324369 = 7968^2 + 16713^2 .

It is not a de Polignac number, because 342813393 - 2¹² = 342809297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (342813397) 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, 688 + ... + 26193.

Almost surely, 2^342813393 is an apocalyptic number.

It is an amenable number.

342813393 is a deficient number, since it is larger than the sum of its proper divisors (195364247).

342813393 is a wasteful number, since it uses less digits than its factorization.

342813393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27009 (or 27006 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 342813393 is about 18515.2205765959. The cubic root of 342813393 is about 699.8730334347.

It can be divided in two parts, 342813 and 393, that added together give a triangular number (343206 = T₈₂₈).

The spelling of 342813393 in words is "three hundred forty-two million, eight hundred thirteen thousand, three hundred ninety-three".