339861247 has 4 divisors (see below), whose sum is σ = 370757736. Its totient is φ = 308964760.

The previous prime is 339861241. The next prime is 339861257. The reversal of 339861247 is 742168933.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 742168933 = 11 ⋅67469903.

It is a cyclic number.

It is not a de Polignac number, because 339861247 - 2¹¹ = 339859199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (339861241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15448228 + ... + 15448249.

It is an arithmetic number, because the mean of its divisors is an integer number (92689434).

Almost surely, 2^339861247 is an apocalyptic number.

339861247 is a deficient number, since it is larger than the sum of its proper divisors (30896489).

339861247 is a wasteful number, since it uses less digits than its factorization.

339861247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30896488.

The product of its digits is 217728, while the sum is 43.

The square root of 339861247 is about 18435.3260616676. The cubic root of 339861247 is about 697.8582475558.

The spelling of 339861247 in words is "three hundred thirty-nine million, eight hundred sixty-one thousand, two hundred forty-seven".