347490401 has 4 divisors (see below), whose sum is σ = 352384704. Its totient is φ = 342596100.

The previous prime is 347490391. The next prime is 347490413. The reversal of 347490401 is 104094743.

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 an emirpimes, since its reverse is a distinct semiprime: 104094743 = 193 ⋅539351.

It is a cyclic number.

It is not a de Polignac number, because 347490401 - 2¹⁸ = 347228257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (347493401) 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, 2447045 + ... + 2447186.

It is an arithmetic number, because the mean of its divisors is an integer number (88096176).

Almost surely, 2^347490401 is an apocalyptic number.

It is an amenable number.

347490401 is a deficient number, since it is larger than the sum of its proper divisors (4894303).

347490401 is an equidigital number, since it uses as much as digits as its factorization.

347490401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4894302.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 347490401 is about 18641.0944152965. The cubic root of 347490401 is about 703.0414604446.

The spelling of 347490401 in words is "three hundred forty-seven million, four hundred ninety thousand, four hundred one".