428956412 has 18 divisors (see below), whose sum is σ = 760340448. Its totient is φ = 211750968.

The previous prime is 428956403. The next prime is 428956439. The reversal of 428956412 is 214659824.

It is a self number, because there is not a number n which added to its sum of digits gives 428956412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16373 + ... + 33555.

It is an arithmetic number, because the mean of its divisors is an integer number (42241136).

Almost surely, 2^428956412 is an apocalyptic number.

It is an amenable number.

428956412 is a deficient number, since it is larger than the sum of its proper divisors (331384036).

428956412 is a wasteful number, since it uses less digits than its factorization.

428956412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17345 (or 17264 counting only the distinct ones).

The product of its digits is 138240, while the sum is 41.

The square root of 428956412 is about 20711.2629262438. The cubic root of 428956412 is about 754.1731292196.

The spelling of 428956412 in words is "four hundred twenty-eight million, nine hundred fifty-six thousand, four hundred twelve".