343977798 has 32 divisors (see below), whose sum is σ = 711954432. Its totient is φ = 110678400.

The previous prime is 343977797. The next prime is 343977833. The reversal of 343977798 is 897779343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343977793) 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, 78403 + ... + 82673.

It is an arithmetic number, because the mean of its divisors is an integer number (22248576).

Almost surely, 2^343977798 is an apocalyptic number.

343977798 is an abundant number, since it is smaller than the sum of its proper divisors (367976634).

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

343977798 is a wasteful number, since it uses less digits than its factorization.

343977798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4740.

The product of its digits is 8001504, while the sum is 57.

The square root of 343977798 is about 18546.6384555261. The cubic root of 343977798 is about 700.6645376360.

It can be divided in two parts, 34397 and 7798, that added together give a triangular number (42195 = T₂₉₀).

The spelling of 343977798 in words is "three hundred forty-three million, nine hundred seventy-seven thousand, seven hundred ninety-eight".