428690995 has 16 divisors (see below), whose sum is σ = 526170240. Its totient is φ = 335147904.

The previous prime is 428690987. The next prime is 428691001. The reversal of 428690995 is 599096824.

It is a cyclic number.

It is not a de Polignac number, because 428690995 - 2³ = 428690987 is a prime.

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, 256021 + ... + 257689.

It is an arithmetic number, because the mean of its divisors is an integer number (32885640).

Almost surely, 2^428690995 is an apocalyptic number.

428690995 is a deficient number, since it is larger than the sum of its proper divisors (97479245).

428690995 is a wasteful number, since it uses less digits than its factorization.

428690995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2814.

The product of its (nonzero) digits is 1399680, while the sum is 52.

The square root of 428690995 is about 20704.8543824872. The cubic root of 428690995 is about 754.0175487898.

The spelling of 428690995 in words is "four hundred twenty-eight million, six hundred ninety thousand, nine hundred ninety-five".