428410749 has 8 divisors (see below), whose sum is σ = 615153952. Its totient is φ = 263637360.

The previous prime is 428410733. The next prime is 428410769. The reversal of 428410749 is 947014824.

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

It is not a de Polignac number, because 428410749 - 2⁴ = 428410733 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 10984891 = 428410749 / (4 + 2 + 8 + 4 + 1 + 0 + 7 + 4 + 9).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428410769) 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, 5492407 + ... + 5492484.

It is an arithmetic number, because the mean of its divisors is an integer number (76894244).

Almost surely, 2^428410749 is an apocalyptic number.

It is an amenable number.

428410749 is a deficient number, since it is larger than the sum of its proper divisors (186743203).

428410749 is a wasteful number, since it uses less digits than its factorization.

428410749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10984907.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 428410749 is about 20698.0856361162. The cubic root of 428410749 is about 753.8532062778.

The spelling of 428410749 in words is "four hundred twenty-eight million, four hundred ten thousand, seven hundred forty-nine".