340997434 has 8 divisors (see below), whose sum is σ = 513317268. Its totient is φ = 169891680.

The previous prime is 340997431. The next prime is 340997443. The reversal of 340997434 is 434799043.

It can be written as a sum of positive squares in 2 ways, for example, as 340956225 + 41209 = 18465^2 + 203^2 .

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

It is a super-3 number, since 3×340997434³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (340997431) 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, 302817 + ... + 303940.

Almost surely, 2^340997434 is an apocalyptic number.

340997434 is a deficient number, since it is larger than the sum of its proper divisors (172319834).

340997434 is a wasteful number, since it uses less digits than its factorization.

340997434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607040.

The product of its (nonzero) digits is 326592, while the sum is 43.

The square root of 340997434 is about 18466.1158341434. The cubic root of 340997434 is about 698.6350503805.

The spelling of 340997434 in words is "three hundred forty million, nine hundred ninety-seven thousand, four hundred thirty-four".