346400043 has 8 divisors (see below), whose sum is σ = 503854656. Its totient is φ = 209939400.

The previous prime is 346400027. The next prime is 346400071. The reversal of 346400043 is 340004643.

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

It is not a de Polignac number, because 346400043 - 2⁴ = 346400027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 346399986 and 346400022.

It is not an unprimeable number, because it can be changed into a prime (346400843) 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, 5248453 + ... + 5248518.

It is an arithmetic number, because the mean of its divisors is an integer number (62981832).

Almost surely, 2^346400043 is an apocalyptic number.

346400043 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

346400043 is a deficient number, since it is larger than the sum of its proper divisors (157454613).

346400043 is a wasteful number, since it uses less digits than its factorization.

346400043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10496985.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 346400043 is about 18611.8253537905. The cubic root of 346400043 is about 702.3053537216.

Adding to 346400043 its reverse (340004643), we get a palindrome (686404686).

The spelling of 346400043 in words is "three hundred forty-six million, four hundred thousand, forty-three".