347649941 has 12 divisors (see below), whose sum is σ = 363327300. Its totient is φ = 332252928.

The previous prime is 347649937. The next prime is 347649943. The reversal of 347649941 is 149946743.

It can be written as a sum of positive squares in 6 ways, for example, as 4622500 + 343027441 = 2150^2 + 18521^2 .

It is not a de Polignac number, because 347649941 - 2² = 347649937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (347649943) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 344045 + ... + 345053.

It is an arithmetic number, because the mean of its divisors is an integer number (30277275).

Almost surely, 2^347649941 is an apocalyptic number.

It is an amenable number.

347649941 is a deficient number, since it is larger than the sum of its proper divisors (15677359).

347649941 is a wasteful number, since it uses less digits than its factorization.

347649941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256 (or 1147 counting only the distinct ones).

The product of its digits is 653184, while the sum is 47.

The square root of 347649941 is about 18645.3731794244. The cubic root of 347649941 is about 703.1490375874.

The spelling of 347649941 in words is "three hundred forty-seven million, six hundred forty-nine thousand, nine hundred forty-one".