428917610 has 32 divisors (see below), whose sum is σ = 856526400. Its totient is φ = 153324160.

The previous prime is 428917591. The next prime is 428917613. The reversal of 428917610 is 16719824.

It is a super-2 number, since 2×428917610² = 367940632336224200, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (428917613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26555 + ... + 39534.

It is an arithmetic number, because the mean of its divisors is an integer number (26766450).

Almost surely, 2^428917610 is an apocalyptic number.

428917610 is a deficient number, since it is larger than the sum of its proper divisors (427608790).

428917610 is a wasteful number, since it uses less digits than its factorization.

428917610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66166.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 428917610 is about 20710.3261683635. The cubic root of 428917610 is about 754.1503885189.

The spelling of 428917610 in words is "four hundred twenty-eight million, nine hundred seventeen thousand, six hundred ten".