428269767 has 8 divisors (see below), whose sum is σ = 590717040. Its totient is φ = 275667840.

The previous prime is 428269753. The next prime is 428269771. The reversal of 428269767 is 767962824.

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

It is not a de Polignac number, because 428269767 - 2⁸ = 428269511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428269717) 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, 2461234 + ... + 2461407.

It is an arithmetic number, because the mean of its divisors is an integer number (73839630).

Almost surely, 2^428269767 is an apocalyptic number.

428269767 is a deficient number, since it is larger than the sum of its proper divisors (162447273).

428269767 is a wasteful number, since it uses less digits than its factorization.

428269767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4922673.

The product of its digits is 2032128, while the sum is 51.

The square root of 428269767 is about 20694.6796786034. The cubic root of 428269767 is about 753.7705041877.

The spelling of 428269767 in words is "four hundred twenty-eight million, two hundred sixty-nine thousand, seven hundred sixty-seven".