428994970 has 32 divisors (see below), whose sum is σ = 810777600. Its totient is φ = 163200576.

The previous prime is 428994967. The next prime is 428994971. The reversal of 428994970 is 79499824.

It is a happy number.

428994970 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (428994971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8391 + ... + 30469.

It is an arithmetic number, because the mean of its divisors is an integer number (25336800).

Almost surely, 2^428994970 is an apocalyptic number.

428994970 is a deficient number, since it is larger than the sum of its proper divisors (381782630).

428994970 is a wasteful number, since it uses less digits than its factorization.

428994970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22182.

The product of its (nonzero) digits is 1306368, while the sum is 52.

The square root of 428994970 is about 20712.1937515078. The cubic root of 428994970 is about 754.1957255608.

The spelling of 428994970 in words is "four hundred twenty-eight million, nine hundred ninety-four thousand, nine hundred seventy".