340830381 has 16 divisors (see below), whose sum is σ = 459043200. Its totient is φ = 224928768.

The previous prime is 340830349. The next prime is 340830403. The reversal of 340830381 is 183038043.

It is not a de Polignac number, because 340830381 - 2⁵ = 340830349 is a prime.

It is a super-2 number, since 2×340830381² = 232330697225210322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340830781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179485 + ... + 181373.

It is an arithmetic number, because the mean of its divisors is an integer number (28690200).

Almost surely, 2^340830381 is an apocalyptic number.

It is an amenable number.

340830381 is a deficient number, since it is larger than the sum of its proper divisors (118212819).

340830381 is a wasteful number, since it uses less digits than its factorization.

340830381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2468.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 340830381 is about 18461.5920494415. The cubic root of 340830381 is about 698.5209457637.

The spelling of 340830381 in words is "three hundred forty million, eight hundred thirty thousand, three hundred eighty-one".