428267396 has 12 divisors (see below), whose sum is σ = 749882448. Its totient is φ = 214015272.

The previous prime is 428267369. The next prime is 428267407. The reversal of 428267396 is 693762824.

It is a self number, because there is not a number n which added to its sum of digits gives 428267396.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21206 + ... + 36141.

It is an arithmetic number, because the mean of its divisors is an integer number (62490204).

Almost surely, 2^428267396 is an apocalyptic number.

It is an amenable number.

428267396 is a deficient number, since it is larger than the sum of its proper divisors (321615052).

428267396 is a wasteful number, since it uses less digits than its factorization.

428267396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59218 (or 59216 counting only the distinct ones).

The product of its digits is 870912, while the sum is 47.

The square root of 428267396 is about 20694.6223932692. The cubic root of 428267396 is about 753.7691131695.

The spelling of 428267396 in words is "four hundred twenty-eight million, two hundred sixty-seven thousand, three hundred ninety-six".