345678942 has 32 divisors (see below), whose sum is σ = 791684352. Its totient is φ = 98570304.

The previous prime is 345678941. The next prime is 345678943. The reversal of 345678942 is 249876543.

It is an interprime number because it is at equal distance from previous prime (345678941) and next prime (345678943).

It is a junction number, because it is equal to n+sod(n) for n = 345678891 and 345678900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345678941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14098 + ... + 29834.

It is an arithmetic number, because the mean of its divisors is an integer number (24740136).

Almost surely, 2^345678942 is an apocalyptic number.

345678942 is an abundant number, since it is smaller than the sum of its proper divisors (446005410).

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

345678942 is a wasteful number, since it uses less digits than its factorization.

345678942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16272.

The product of its digits is 1451520, while the sum is 48.

The square root of 345678942 is about 18592.4431423092. The cubic root of 345678942 is about 701.8176854663.

The spelling of 345678942 in words is "three hundred forty-five million, six hundred seventy-eight thousand, nine hundred forty-two".