1338630 has 16 divisors (see below), whose sum is σ = 3212784. Its totient is φ = 356960.

The previous prime is 1338587. The next prime is 1338637. The reversal of 1338630 is 368331.

It is a self number, because there is not a number n which added to its sum of digits gives 1338630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1338637) 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, 22281 + ... + 22340.

It is an arithmetic number, because the mean of its divisors is an integer number (200799).

2^1338630 is an apocalyptic number.

1338630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1338630 is an abundant number, since it is smaller than the sum of its proper divisors (1874154).

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

1338630 is a wasteful number, since it uses less digits than its factorization.

1338630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44631.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 1338630 is about 1156.9917890806. The cubic root of 1338630 is about 110.2097924660.

Subtracting from 1338630 its reverse (368331), we obtain a cube (970299 = 99³).

The spelling of 1338630 in words is "one million, three hundred thirty-eight thousand, six hundred thirty".