342204381 has 12 divisors (see below), whose sum is σ = 510240640. Its totient is φ = 220776840.

The previous prime is 342204367. The next prime is 342204391. The reversal of 342204381 is 183402243.

342204381 is a `hidden beast` number, since 3 + 4 + 220 + 438 + 1 = 666.

It is not a de Polignac number, because 342204381 - 2¹⁷ = 342073309 is a prime.

It is a super-2 number, since 2×342204381² = 234207676751186322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342204311) 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, 612991 + ... + 613548.

Almost surely, 2^342204381 is an apocalyptic number.

342204381 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

342204381 is a deficient number, since it is larger than the sum of its proper divisors (168036259).

342204381 is a wasteful number, since it uses less digits than its factorization.

342204381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226576 (or 1226573 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 342204381 is about 18498.7670129660. The cubic root of 342204381 is about 699.4583435621.

The spelling of 342204381 in words is "three hundred forty-two million, two hundred four thousand, three hundred eighty-one".