420349174 has 16 divisors (see below), whose sum is σ = 762987168. Its totient is φ = 169552512.

The previous prime is 420349169. The next prime is 420349183. The reversal of 420349174 is 471943024.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 882849 + ... + 883324.

It is an arithmetic number, because the mean of its divisors is an integer number (47686698).

Almost surely, 2^420349174 is an apocalyptic number.

420349174 is a deficient number, since it is larger than the sum of its proper divisors (342637994).

420349174 is a wasteful number, since it uses less digits than its factorization.

420349174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1766199.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 420349174 is about 20502.4187353590. The cubic root of 420349174 is about 749.0947145321.

The spelling of 420349174 in words is "four hundred twenty million, three hundred forty-nine thousand, one hundred seventy-four".