342043900 has 36 divisors (see below), whose sum is σ = 809713800. Its totient is φ = 124379200.

The previous prime is 342043847. The next prime is 342043901. The reversal of 342043900 is 9340243.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342043901) 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, 154375 + ... + 156574.

It is an arithmetic number, because the mean of its divisors is an integer number (22492050).

Almost surely, 2^342043900 is an apocalyptic number.

It is an amenable number.

342043900 is an abundant number, since it is smaller than the sum of its proper divisors (467669900).

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

342043900 is a wasteful number, since it uses less digits than its factorization.

342043900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310974 (or 310967 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 342043900 is about 18494.4288908850. The cubic root of 342043900 is about 699.3489865694.

The spelling of 342043900 in words is "three hundred forty-two million, forty-three thousand, nine hundred".