268906428 has 54 divisors (see below), whose sum is σ = 777593544. Its totient is φ = 76756032.

The previous prime is 268906427. The next prime is 268906433. The reversal of 268906428 is 824609862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268906427) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 259800 + ... + 260832.

Almost surely, 2^268906428 is an apocalyptic number.

268906428 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

268906428 is an abundant number, since it is smaller than the sum of its proper divisors (508687116).

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

268906428 is a wasteful number, since it uses less digits than its factorization.

268906428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2083 (or 1045 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 268906428 is about 16398.3666259783. The cubic root of 268906428 is about 645.4566227582.

The spelling of 268906428 in words is "two hundred sixty-eight million, nine hundred six thousand, four hundred twenty-eight".