428914532 has 12 divisors (see below), whose sum is σ = 752693760. Its totient is φ = 213859176.

The previous prime is 428914487. The next prime is 428914537. The reversal of 428914532 is 235419824.

It is not an unprimeable number, because it can be changed into a prime (428914537) 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, 147908 + ... + 150779.

It is an arithmetic number, because the mean of its divisors is an integer number (62724480).

Almost surely, 2^428914532 is an apocalyptic number.

It is an amenable number.

428914532 is a deficient number, since it is larger than the sum of its proper divisors (323779228).

428914532 is a wasteful number, since it uses less digits than its factorization.

428914532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299050 (or 299048 counting only the distinct ones).

The product of its digits is 69120, while the sum is 38.

The square root of 428914532 is about 20710.2518574739. The cubic root of 428914532 is about 754.1485845357.

The spelling of 428914532 in words is "four hundred twenty-eight million, nine hundred fourteen thousand, five hundred thirty-two".