343827540 has 72 divisors (see below), whose sum is σ = 1191939840. Its totient is φ = 78588864.

The previous prime is 343827521. The next prime is 343827611. The reversal of 343827540 is 45728343.

It is a happy number.

343827540 is a `hidden beast` number, since 34 + 3 + 82 + 7 + 540 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 343827495 and 343827504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 135180 + ... + 137699.

It is an arithmetic number, because the mean of its divisors is an integer number (16554720).

Almost surely, 2^343827540 is an apocalyptic number.

343827540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

343827540 is an abundant number, since it is smaller than the sum of its proper divisors (848112300).

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

343827540 is a wasteful number, since it uses less digits than its factorization.

343827540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272901 (or 272896 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 343827540 is about 18542.5871981231. The cubic root of 343827540 is about 700.5625002505.

The spelling of 343827540 in words is "three hundred forty-three million, eight hundred twenty-seven thousand, five hundred forty".