428142830 has 32 divisors (see below), whose sum is σ = 793080288. Its totient is φ = 166320000.

The previous prime is 428142811. The next prime is 428142857. The reversal of 428142830 is 38241824.

It is a congruent number.

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, 75080 + ... + 80580.

It is an arithmetic number, because the mean of its divisors is an integer number (24783759).

Almost surely, 2^428142830 is an apocalyptic number.

428142830 is a deficient number, since it is larger than the sum of its proper divisors (364937458).

428142830 is a wasteful number, since it uses less digits than its factorization.

428142830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5732.

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 428142830 is about 20691.6125519496. The cubic root of 428142830 is about 753.6960255696.

The spelling of 428142830 in words is "four hundred twenty-eight million, one hundred forty-two thousand, eight hundred thirty".