340779942 has 12 divisors (see below), whose sum is σ = 738356580. Its totient is φ = 113593308.

The previous prime is 340779941. The next prime is 340779979. The reversal of 340779942 is 249977043.

It is a super-2 number, since 2×340779942² = 232261937739046728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340779941) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9466092 + ... + 9466127.

It is an arithmetic number, because the mean of its divisors is an integer number (61529715).

Almost surely, 2^340779942 is an apocalyptic number.

340779942 is an abundant number, since it is smaller than the sum of its proper divisors (397576638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

340779942 is a wasteful number, since it uses less digits than its factorization.

340779942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18932227 (or 18932224 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The square root of 340779942 is about 18460.2259466129. The cubic root of 340779942 is about 698.4864863589.

The spelling of 340779942 in words is "three hundred forty million, seven hundred seventy-nine thousand, nine hundred forty-two".