347440401 has 32 divisors (see below), whose sum is σ = 641740800. Its totient is φ = 180487440.

The previous prime is 347440399. The next prime is 347440409. The reversal of 347440401 is 104044743.

It is not a de Polignac number, because 347440401 - 2¹ = 347440399 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (347440409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81481 + ... + 85638.

It is an arithmetic number, because the mean of its divisors is an integer number (20054400).

Almost surely, 2^347440401 is an apocalyptic number.

It is an amenable number.

347440401 is a deficient number, since it is larger than the sum of its proper divisors (294300399).

347440401 is a wasteful number, since it uses less digits than its factorization.

347440401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167146 (or 167140 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 347440401 is about 18639.7532440749. The cubic root of 347440401 is about 703.0077388808.

The spelling of 347440401 in words is "three hundred forty-seven million, four hundred forty thousand, four hundred one".