340404273 has 24 divisors (see below), whose sum is σ = 553702656. Its totient is φ = 199648800.

The previous prime is 340404271. The next prime is 340404341. The reversal of 340404273 is 372404043.

It is not a de Polignac number, because 340404273 - 2¹ = 340404271 is a prime.

It is a super-3 number, since 3×340404273³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (340404271) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52390 + ... + 58527.

It is an arithmetic number, because the mean of its divisors is an integer number (23070944).

Almost surely, 2^340404273 is an apocalyptic number.

340404273 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

340404273 is a deficient number, since it is larger than the sum of its proper divisors (213298383).

340404273 is a wasteful number, since it uses less digits than its factorization.

340404273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110965 (or 110962 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 27.

The square root of 340404273 is about 18450.0480487179. The cubic root of 340404273 is about 698.2297261372.

The spelling of 340404273 in words is "three hundred forty million, four hundred four thousand, two hundred seventy-three".