347101421 has 4 divisors (see below), whose sum is σ = 347139072. Its totient is φ = 347063772.

The previous prime is 347101361. The next prime is 347101423. The reversal of 347101421 is 124101743.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 347101421 - 2⁶ = 347101357 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 (347101423) 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, 5366 + ... + 26888.

It is an arithmetic number, because the mean of its divisors is an integer number (86784768).

Almost surely, 2^347101421 is an apocalyptic number.

It is an amenable number.

347101421 is a deficient number, since it is larger than the sum of its proper divisors (37651).

347101421 is a wasteful number, since it uses less digits than its factorization.

347101421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37650.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 347101421 is about 18630.6580935833. The cubic root of 347101421 is about 702.7790348062.

The spelling of 347101421 in words is "three hundred forty-seven million, one hundred one thousand, four hundred twenty-one".