428269492 has 48 divisors (see below), whose sum is σ = 870508800. Its totient is φ = 180576000.

The previous prime is 428269483. The next prime is 428269511. The reversal of 428269492 is 294962824.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 562392 + ... + 563152.

It is an arithmetic number, because the mean of its divisors is an integer number (18135600).

Almost surely, 2^428269492 is an apocalyptic number.

It is an amenable number.

428269492 is an abundant number, since it is smaller than the sum of its proper divisors (442239308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

428269492 is a wasteful number, since it uses less digits than its factorization.

428269492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072 (or 1070 counting only the distinct ones).

The product of its digits is 497664, while the sum is 46.

The square root of 428269492 is about 20694.6730343825. The cubic root of 428269492 is about 753.7703428510.

The spelling of 428269492 in words is "four hundred twenty-eight million, two hundred sixty-nine thousand, four hundred ninety-two".