428905910 has 16 divisors (see below), whose sum is σ = 772477776. Its totient is φ = 171463008.

The previous prime is 428905907. The next prime is 428905913. The reversal of 428905910 is 19509824.

It is an interprime number because it is at equal distance from previous prime (428905907) and next prime (428905913).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428905913) 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, 7184 + ... + 30156.

It is an arithmetic number, because the mean of its divisors is an integer number (48279861).

Almost surely, 2^428905910 is an apocalyptic number.

428905910 is a deficient number, since it is larger than the sum of its proper divisors (343571866).

428905910 is a wasteful number, since it uses less digits than its factorization.

428905910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24847.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 428905910 is about 20710.0436986502. The cubic root of 428905910 is about 754.1435312270.

The spelling of 428905910 in words is "four hundred twenty-eight million, nine hundred five thousand, nine hundred ten".