342509436 has 18 divisors (see below), whose sum is σ = 865787832. Its totient is φ = 114169800.

The previous prime is 342509423. The next prime is 342509471. The reversal of 342509436 is 634905243.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 9514151 = 342509436 / (3 + 4 + 2 + 5 + 0 + 9 + 4 + 3 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 342509436.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4757040 + ... + 4757111.

It is an arithmetic number, because the mean of its divisors is an integer number (48099324).

Almost surely, 2^342509436 is an apocalyptic number.

342509436 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

342509436 is an abundant number, since it is smaller than the sum of its proper divisors (523278396).

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

342509436 is a wasteful number, since it uses less digits than its factorization.

342509436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9514161 (or 9514156 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 342509436 is about 18507.0104555004. The cubic root of 342509436 is about 699.6661237709. Note that the first 3 decimals are identical.

The spelling of 342509436 in words is "three hundred forty-two million, five hundred nine thousand, four hundred thirty-six".