420946170 has 16 divisors (see below), whose sum is σ = 1010270880. Its totient is φ = 112252304.

The previous prime is 420946153. The next prime is 420946171. The reversal of 420946170 is 71649024.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (420946171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7015740 + ... + 7015799.

It is an arithmetic number, because the mean of its divisors is an integer number (63141930).

Almost surely, 2^420946170 is an apocalyptic number.

420946170 is an abundant number, since it is smaller than the sum of its proper divisors (589324710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420946170 is a wasteful number, since it uses less digits than its factorization.

420946170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14031549.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 420946170 is about 20516.9727299132. The cubic root of 420946170 is about 749.4491777811.

The spelling of 420946170 in words is "four hundred twenty million, nine hundred forty-six thousand, one hundred seventy".