340800358 has 4 divisors (see below), whose sum is σ = 511200540. Its totient is φ = 170400178.

The previous prime is 340800301. The next prime is 340800367. The reversal of 340800358 is 853008043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 853008043 = 1709 ⋅499127.

It is a super-2 number, since 2×340800358² = 232289768025856328, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85200088 + ... + 85200091.

It is an arithmetic number, because the mean of its divisors is an integer number (127800135).

Almost surely, 2^340800358 is an apocalyptic number.

340800358 is a deficient number, since it is larger than the sum of its proper divisors (170400182).

340800358 is a wasteful number, since it uses less digits than its factorization.

340800358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170400181.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 340800358 is about 18460.7789109777. The cubic root of 340800358 is about 698.5004347692.

The spelling of 340800358 in words is "three hundred forty million, eight hundred thousand, three hundred fifty-eight".