340241393 has 8 divisors (see below), whose sum is σ = 348784200. Its totient is φ = 331803648.

The previous prime is 340241389. The next prime is 340241431. The reversal of 340241393 is 393142043.

It can be written as a sum of positive squares in 4 ways, for example, as 45535504 + 294705889 = 6748^2 + 17167^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 340241393 - 2² = 340241389 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340241333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19688 + ... + 32681.

It is an arithmetic number, because the mean of its divisors is an integer number (43598025).

Almost surely, 2^340241393 is an apocalyptic number.

It is an amenable number.

340241393 is a deficient number, since it is larger than the sum of its proper divisors (8542807).

340241393 is an equidigital number, since it uses as much as digits as its factorization.

340241393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52531.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 340241393 is about 18445.6334399228. The cubic root of 340241393 is about 698.1183430840.

The spelling of 340241393 in words is "three hundred forty million, two hundred forty-one thousand, three hundred ninety-three".