343693845 has 144 divisors (see below), whose sum is σ = 717050880. Its totient is φ = 151557120.

The previous prime is 343693843. The next prime is 343693901. The reversal of 343693845 is 548396343.

343693845 = 1625² + 1626² + ... + 1745².

It is not a de Polignac number, because 343693845 - 2¹ = 343693843 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

Its product of digits (933120) is a multiple of the sum of its prime divisors (162).

It is a self number, because there is not a number n which added to its sum of digits gives 343693845.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343693843) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 4350516 + ... + 4350594.

It is an arithmetic number, because the mean of its divisors is an integer number (4979520).

Almost surely, 2^343693845 is an apocalyptic number.

It is an amenable number.

343693845 is an abundant number, since it is smaller than the sum of its proper divisors (373357035).

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

343693845 is a wasteful number, since it uses less digits than its factorization.

343693845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176 (or 162 counting only the distinct ones).

The product of its digits is 933120, while the sum is 45.

The square root of 343693845 is about 18538.9817681554. The cubic root of 343693845 is about 700.4716854911.

The spelling of 343693845 in words is "three hundred forty-three million, six hundred ninety-three thousand, eight hundred forty-five".