428357703 has 8 divisors (see below), whose sum is σ = 571404400. Its totient is φ = 285441408.

The previous prime is 428357689. The next prime is 428357707. The reversal of 428357703 is 307753824.

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

It is not a de Polignac number, because 428357703 - 2⁶ = 428357639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428357707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24658 + ... + 38271.

It is an arithmetic number, because the mean of its divisors is an integer number (71425550).

Almost surely, 2^428357703 is an apocalyptic number.

428357703 is a deficient number, since it is larger than the sum of its proper divisors (143046697).

428357703 is a wasteful number, since it uses less digits than its factorization.

428357703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65201.

The product of its (nonzero) digits is 141120, while the sum is 39.

The square root of 428357703 is about 20696.8041735916. The cubic root of 428357703 is about 753.8220908527.

The spelling of 428357703 in words is "four hundred twenty-eight million, three hundred fifty-seven thousand, seven hundred three".