340832399 has 4 divisors (see below), whose sum is σ = 343003464. Its totient is φ = 338661336.

The previous prime is 340832381. The next prime is 340832407. The reversal of 340832399 is 993238043.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 340832399 - 2⁸ = 340832143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340832329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1085297 + ... + 1085610.

It is an arithmetic number, because the mean of its divisors is an integer number (85750866).

Almost surely, 2^340832399 is an apocalyptic number.

340832399 is a deficient number, since it is larger than the sum of its proper divisors (2171065).

340832399 is a wasteful number, since it uses less digits than its factorization.

340832399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2171064.

The product of its (nonzero) digits is 139968, while the sum is 41.

The square root of 340832399 is about 18461.6467033686. The cubic root of 340832399 is about 698.5223243697.

The spelling of 340832399 in words is "three hundred forty million, eight hundred thirty-two thousand, three hundred ninety-nine".