340743426 has 16 divisors (see below), whose sum is σ = 687857184. Its totient is φ = 112519424.

The previous prime is 340743419. The next prime is 340743449. The reversal of 340743426 is 624347043.

It is a super-2 number, since 2×340743426² = 232212164724434952, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264735 + ... + 266018.

It is an arithmetic number, because the mean of its divisors is an integer number (42991074).

Almost surely, 2^340743426 is an apocalyptic number.

340743426 is an abundant number, since it is smaller than the sum of its proper divisors (347113758).

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

340743426 is a wasteful number, since it uses less digits than its factorization.

340743426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530865.

The product of its (nonzero) digits is 48384, while the sum is 33.

The square root of 340743426 is about 18459.2368748006. The cubic root of 340743426 is about 698.4615368823.

The spelling of 340743426 in words is "three hundred forty million, seven hundred forty-three thousand, four hundred twenty-six".