420194196 has 96 divisors (see below), whose sum is σ = 1153756800. Its totient is φ = 131880960.

The previous prime is 420194183. The next prime is 420194213. The reversal of 420194196 is 691491024.

It is a happy number.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 420194196.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 395506 + ... + 396566.

It is an arithmetic number, because the mean of its divisors is an integer number (12018300).

Almost surely, 2^420194196 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 420194196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (576878400).

420194196 is an abundant number, since it is smaller than the sum of its proper divisors (733562604).

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

420194196 is a wasteful number, since it uses less digits than its factorization.

420194196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286 (or 1278 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 420194196 is about 20498.6388816428. The cubic root of 420194196 is about 749.0026422914.

The spelling of 420194196 in words is "four hundred twenty million, one hundred ninety-four thousand, one hundred ninety-six".