428907955 has 16 divisors (see below), whose sum is σ = 592516800. Its totient is φ = 291958272.

The previous prime is 428907949. The next prime is 428907961. The reversal of 428907955 is 559709824.

It is an interprime number because it is at equal distance from previous prime (428907949) and next prime (428907961).

It is a cyclic number.

It is not a de Polignac number, because 428907955 - 2¹¹ = 428905907 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 428907899 and 428907908.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39930 + ... + 49519.

It is an arithmetic number, because the mean of its divisors is an integer number (37032300).

Almost surely, 2^428907955 is an apocalyptic number.

428907955 is a deficient number, since it is larger than the sum of its proper divisors (163608845).

428907955 is a wasteful number, since it uses less digits than its factorization.

428907955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89598.

The product of its (nonzero) digits is 907200, while the sum is 49.

The square root of 428907955 is about 20710.0930707711. The cubic root of 428907955 is about 754.1447297968.

The spelling of 428907955 in words is "four hundred twenty-eight million, nine hundred seven thousand, nine hundred fifty-five".