1630268 has 6 divisors (see below), whose sum is σ = 2852976. Its totient is φ = 815132.

The previous prime is 1630261. The next prime is 1630273. The reversal of 1630268 is 8620361.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1630261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203780 + ... + 203787.

It is an arithmetic number, because the mean of its divisors is an integer number (475496).

2^1630268 is an apocalyptic number.

It is an amenable number.

1630268 is a deficient number, since it is larger than the sum of its proper divisors (1222708).

1630268 is a wasteful number, since it uses less digits than its factorization.

1630268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407571 (or 407569 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1630268 is about 1276.8194860668. The cubic root of 1630268 is about 117.6936417685.

The spelling of 1630268 in words is "one million, six hundred thirty thousand, two hundred sixty-eight".