428549107 has 8 divisors (see below), whose sum is σ = 518580576. Its totient is φ = 345720192.

The previous prime is 428549029. The next prime is 428549111. The reversal of 428549107 is 701945824.

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

It is a cyclic number.

It is not a de Polignac number, because 428549107 - 2¹¹ = 428547059 is a prime.

It is a super-2 number, since 2×428549107² = 367308674220994898, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 428549107.

It is not an unprimeable number, because it can be changed into a prime (428549197) 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, 1800508 + ... + 1800745.

It is an arithmetic number, because the mean of its divisors is an integer number (64822572).

Almost surely, 2^428549107 is an apocalyptic number.

428549107 is a deficient number, since it is larger than the sum of its proper divisors (90031469).

428549107 is a wasteful number, since it uses less digits than its factorization.

428549107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3601277.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 428549107 is about 20701.4276560821. The cubic root of 428549107 is about 753.9343514528.

The spelling of 428549107 in words is "four hundred twenty-eight million, five hundred forty-nine thousand, one hundred seven".