428631562 has 8 divisors (see below), whose sum is σ = 652543776. Its totient is φ = 211116972.

The previous prime is 428631529. The next prime is 428631563. The reversal of 428631562 is 265136824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (428631563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1599238 + ... + 1599505.

It is an arithmetic number, because the mean of its divisors is an integer number (81567972).

Almost surely, 2^428631562 is an apocalyptic number.

428631562 is a deficient number, since it is larger than the sum of its proper divisors (223912214).

428631562 is a wasteful number, since it uses less digits than its factorization.

428631562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3198812.

The product of its digits is 69120, while the sum is 37.

The square root of 428631562 is about 20703.4190896093. The cubic root of 428631562 is about 753.9827019370.

The spelling of 428631562 in words is "four hundred twenty-eight million, six hundred thirty-one thousand, five hundred sixty-two".