343427378 has 32 divisors (see below), whose sum is σ = 608448000. Its totient is φ = 145297152.

The previous prime is 343427363. The next prime is 343427389. The reversal of 343427378 is 873724343.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51026 + ... + 57362.

It is an arithmetic number, because the mean of its divisors is an integer number (19014000).

Almost surely, 2^343427378 is an apocalyptic number.

343427378 is a deficient number, since it is larger than the sum of its proper divisors (265020622).

343427378 is an equidigital number, since it uses as much as digits as its factorization.

343427378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6439 (or 6425 counting only the distinct ones).

The product of its digits is 338688, while the sum is 41.

The square root of 343427378 is about 18531.7937070322. The cubic root of 343427378 is about 700.2906126656.

The spelling of 343427378 in words is "three hundred forty-three million, four hundred twenty-seven thousand, three hundred seventy-eight".