428335942 has 8 divisors (see below), whose sum is σ = 650245176. Its totient is φ = 211587552.

The previous prime is 428335933. The next prime is 428335949. The reversal of 428335942 is 249533824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 428335895 and 428335904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428335949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1290003 + ... + 1290334.

It is an arithmetic number, because the mean of its divisors is an integer number (81280647).

Almost surely, 2^428335942 is an apocalyptic number.

428335942 is a deficient number, since it is larger than the sum of its proper divisors (221909234).

428335942 is a wasteful number, since it uses less digits than its factorization.

428335942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2580422.

The product of its digits is 207360, while the sum is 40.

The square root of 428335942 is about 20696.2784577324. The cubic root of 428335942 is about 753.8093256643.

The spelling of 428335942 in words is "four hundred twenty-eight million, three hundred thirty-five thousand, nine hundred forty-two".