428197796 has 36 divisors (see below), whose sum is σ = 820805076. Its totient is φ = 194302080.

The previous prime is 428197787. The next prime is 428197801. The reversal of 428197796 is 697791824.

It can be written as a sum of positive squares in 6 ways, for example, as 80748196 + 347449600 = 8986^2 + 18640^2 .

Its product of digits (1524096) is a multiple of the sum of its prime factors (2352).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 192386 + ... + 194598.

It is an arithmetic number, because the mean of its divisors is an integer number (22800141).

Almost surely, 2^428197796 is an apocalyptic number.

It is an amenable number.

428197796 is a deficient number, since it is larger than the sum of its proper divisors (392607280).

428197796 is a wasteful number, since it uses less digits than its factorization.

428197796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2352 (or 2289 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 53.

The square root of 428197796 is about 20692.9407286640. The cubic root of 428197796 is about 753.7282779553.

The spelling of 428197796 in words is "four hundred twenty-eight million, one hundred ninety-seven thousand, seven hundred ninety-six".