340278371 has 8 divisors (see below), whose sum is σ = 344167824. Its totient is φ = 336411360.

The previous prime is 340278361. The next prime is 340278427. The reversal of 340278371 is 173872043.

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

It is a cyclic number.

It is not a de Polignac number, because 340278371 - 2¹⁸ = 340016227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340278361) 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, 25880 + ... + 36746.

It is an arithmetic number, because the mean of its divisors is an integer number (43020978).

Almost surely, 2^340278371 is an apocalyptic number.

340278371 is a deficient number, since it is larger than the sum of its proper divisors (3889453).

340278371 is a wasteful number, since it uses less digits than its factorization.

340278371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11221.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 340278371 is about 18446.6357637375. The cubic root of 340278371 is about 698.1436330551.

The spelling of 340278371 in words is "three hundred forty million, two hundred seventy-eight thousand, three hundred seventy-one".