340799442 has 16 divisors (see below), whose sum is σ = 721693152. Its totient is φ = 106917440.

The previous prime is 340799401. The next prime is 340799449. The reversal of 340799442 is 244997043.

It is a super-2 number, since 2×340799442² = 232288519335022728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 340799394 and 340799403.

It is not an unprimeable number, because it can be changed into a prime (340799449) 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 7 ways as a sum of consecutive naturals, for example, 1670484 + ... + 1670687.

It is an arithmetic number, because the mean of its divisors is an integer number (45105822).

Almost surely, 2^340799442 is an apocalyptic number.

340799442 is an abundant number, since it is smaller than the sum of its proper divisors (380893710).

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

340799442 is a wasteful number, since it uses less digits than its factorization.

340799442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3341193.

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 340799442 is about 18460.7541016070. The cubic root of 340799442 is about 698.4998089610.

The spelling of 340799442 in words is "three hundred forty million, seven hundred ninety-nine thousand, four hundred forty-two".