343408653 has 80 divisors (see below), whose sum is σ = 648172800. Its totient is φ = 176546304.

The previous prime is 343408651. The next prime is 343408657. The reversal of 343408653 is 356804343.

It is not a de Polignac number, because 343408653 - 2¹ = 343408651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343408651) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 220923 + ... + 222471.

It is an arithmetic number, because the mean of its divisors is an integer number (8102160).

Almost surely, 2^343408653 is an apocalyptic number.

It is an amenable number.

343408653 is a deficient number, since it is larger than the sum of its proper divisors (304764147).

343408653 is a wasteful number, since it uses less digits than its factorization.

343408653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1608 (or 1599 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The square root of 343408653 is about 18531.2884873125. The cubic root of 343408653 is about 700.2778849092.

The spelling of 343408653 in words is "three hundred forty-three million, four hundred eight thousand, six hundred fifty-three".