428373829 has 16 divisors (see below), whose sum is σ = 487226880. Its totient is φ = 373360320.

The previous prime is 428373817. The next prime is 428373853. The reversal of 428373829 is 928373824.

It is a cyclic number.

It is not a de Polignac number, because 428373829 - 2⁵ = 428373797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428373809) 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, 75564 + ... + 81034.

It is an arithmetic number, because the mean of its divisors is an integer number (30451680).

Almost surely, 2^428373829 is an apocalyptic number.

It is an amenable number.

428373829 is a deficient number, since it is larger than the sum of its proper divisors (58853051).

428373829 is a wasteful number, since it uses less digits than its factorization.

428373829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5820.

The product of its digits is 580608, while the sum is 46.

The square root of 428373829 is about 20697.1937469793. The cubic root of 428373829 is about 753.8315502230.

The spelling of 428373829 in words is "four hundred twenty-eight million, three hundred seventy-three thousand, eight hundred twenty-nine".