343977542 has 8 divisors (see below), whose sum is σ = 516826632. Its totient is φ = 171702000.

The previous prime is 343977527. The next prime is 343977559. The reversal of 343977542 is 245779343.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 343977493 and 343977502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141884 + ... + 144287.

It is an arithmetic number, because the mean of its divisors is an integer number (64603329).

Almost surely, 2^343977542 is an apocalyptic number.

343977542 is a deficient number, since it is larger than the sum of its proper divisors (172849090).

343977542 is a wasteful number, since it uses less digits than its factorization.

343977542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286774.

The product of its digits is 635040, while the sum is 44.

The square root of 343977542 is about 18546.6315540046. The cubic root of 343977542 is about 700.6643638165.

The spelling of 343977542 in words is "three hundred forty-three million, nine hundred seventy-seven thousand, five hundred forty-two".