343200978 has 24 divisors (see below), whose sum is σ = 747717516. Its totient is φ = 113767200.

The previous prime is 343200973. The next prime is 343200983. The reversal of 343200978 is 879002343.

It is an interprime number because it is at equal distance from previous prime (343200973) and next prime (343200983).

It can be written as a sum of positive squares in 2 ways, for example, as 190357209 + 152843769 = 13797^2 + 12363^2 .

It is a super-2 number, since 2×343200978² = 235573822600312968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (343200973) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49413 + ... + 55928.

Almost surely, 2^343200978 is an apocalyptic number.

343200978 is an abundant number, since it is smaller than the sum of its proper divisors (404516538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

343200978 is a wasteful number, since it uses less digits than its factorization.

343200978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105530 (or 105527 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 343200978 is about 18525.6842788600. The cubic root of 343200978 is about 700.1366930333.

The spelling of 343200978 in words is "three hundred forty-three million, two hundred thousand, nine hundred seventy-eight".