621301268 has 12 divisors (see below), whose sum is σ = 1242602592. Its totient is φ = 266271960.

The previous prime is 621301237. The next prime is 621301271. The reversal of 621301268 is 862103126.

621301268 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 621301268.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11094638 + ... + 11094693.

It is an arithmetic number, because the mean of its divisors is an integer number (103550216).

Almost surely, 2^621301268 is an apocalyptic number.

It is an amenable number.

621301268 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

621301268 is a wasteful number, since it uses less digits than its factorization.

621301268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22189342 (or 22189340 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 621301268 is about 24925.9155900039. The cubic root of 621301268 is about 853.2980372092.

The spelling of 621301268 in words is "six hundred twenty-one million, three hundred one thousand, two hundred sixty-eight".