340403437 has 16 divisors (see below), whose sum is σ = 381477888. Its totient is φ = 301074480.

The previous prime is 340403429. The next prime is 340403477. The reversal of 340403437 is 734304043.

It is a cyclic number.

It is not a de Polignac number, because 340403437 - 2³ = 340403429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340403417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132588 + ... + 135130.

It is an arithmetic number, because the mean of its divisors is an integer number (23842368).

Almost surely, 2^340403437 is an apocalyptic number.

It is an amenable number.

340403437 is a deficient number, since it is larger than the sum of its proper divisors (41074451).

340403437 is a wasteful number, since it uses less digits than its factorization.

340403437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2880.

The product of its (nonzero) digits is 12096, while the sum is 28.

The square root of 340403437 is about 18450.0253929365. The cubic root of 340403437 is about 698.2291545419.

The spelling of 340403437 in words is "three hundred forty million, four hundred three thousand, four hundred thirty-seven".