340353873 has 16 divisors (see below), whose sum is σ = 504757440. Its totient is φ = 226664352.

The previous prime is 340353869. The next prime is 340353877. The reversal of 340353873 is 378353043.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (340353869) and next prime (340353877).

It is not a de Polignac number, because 340353873 - 2² = 340353869 is a prime.

It is a super-2 number, since 2×340353873² = 231681517732200258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (340353877) 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, 21790 + ... + 33992.

It is an arithmetic number, because the mean of its divisors is an integer number (31547340).

Almost surely, 2^340353873 is an apocalyptic number.

It is an amenable number.

340353873 is a deficient number, since it is larger than the sum of its proper divisors (164403567).

340353873 is a wasteful number, since it uses less digits than its factorization.

340353873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13245 (or 13239 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 36.

The square root of 340353873 is about 18448.6821480560. The cubic root of 340353873 is about 698.1952646475.

The spelling of 340353873 in words is "three hundred forty million, three hundred fifty-three thousand, eight hundred seventy-three".