428743030 has 16 divisors (see below), whose sum is σ = 776919600. Its totient is φ = 170345632.

The previous prime is 428743001. The next prime is 428743031. The reversal of 428743030 is 30347824.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 428742983 and 428743001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428743031) 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, 142384 + ... + 145363.

It is an arithmetic number, because the mean of its divisors is an integer number (48557475).

Almost surely, 2^428743030 is an apocalyptic number.

428743030 is a deficient number, since it is larger than the sum of its proper divisors (348176570).

428743030 is a wasteful number, since it uses less digits than its factorization.

428743030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287903.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 428743030 is about 20706.1109337316. The cubic root of 428743030 is about 754.0480553911.

The spelling of 428743030 in words is "four hundred twenty-eight million, seven hundred forty-three thousand, thirty".