340740357 has 8 divisors (see below), whose sum is σ = 478232160. Its totient is φ = 215204400.

The previous prime is 340740317. The next prime is 340740373. The reversal of 340740357 is 753047043.

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

It is not a de Polignac number, because 340740357 - 2⁶ = 340740293 is a prime.

It is a super-2 number, since 2×340740357² = 232207981776974898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340740317) 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, 2988894 + ... + 2989007.

It is an arithmetic number, because the mean of its divisors is an integer number (59779020).

Almost surely, 2^340740357 is an apocalyptic number.

It is an amenable number.

340740357 is a deficient number, since it is larger than the sum of its proper divisors (137491803).

340740357 is a wasteful number, since it uses less digits than its factorization.

340740357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5977923.

The product of its (nonzero) digits is 35280, while the sum is 33.

The square root of 340740357 is about 18459.1537454998. The cubic root of 340740357 is about 698.4594399136.

The spelling of 340740357 in words is "three hundred forty million, seven hundred forty thousand, three hundred fifty-seven".