347278413 has 16 divisors (see below), whose sum is σ = 465914240. Its totient is φ = 230086656.

The previous prime is 347278361. The next prime is 347278417. The reversal of 347278413 is 314872743.

It is not a de Polignac number, because 347278413 - 2⁸ = 347278157 is a prime.

It is a super-2 number, since 2×347278413² = 241204592271597138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (347278417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 601581 + ... + 602157.

It is an arithmetic number, because the mean of its divisors is an integer number (29119640).

Almost surely, 2^347278413 is an apocalyptic number.

It is an amenable number.

347278413 is a deficient number, since it is larger than the sum of its proper divisors (118635827).

347278413 is a wasteful number, since it uses less digits than its factorization.

347278413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476.

The product of its digits is 112896, while the sum is 39.

The square root of 347278413 is about 18635.4075082892. The cubic root of 347278413 is about 702.8984668831.

The spelling of 347278413 in words is "three hundred forty-seven million, two hundred seventy-eight thousand, four hundred thirteen".