1338000 has 80 divisors (see below), whose sum is σ = 4333056. Its totient is φ = 355200.

The previous prime is 1337989. The next prime is 1338013. The reversal of 1338000 is 8331.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5889 + ... + 6111.

2^1338000 is an apocalyptic number.

1338000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1338000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2166528).

1338000 is an abundant number, since it is smaller than the sum of its proper divisors (2995056).

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

1338000 is a wasteful number, since it uses less digits than its factorization.

1338000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1338000 is about 1156.7194992737. The cubic root of 1338000 is about 110.1925003927.

The spelling of 1338000 in words is "one million, three hundred thirty-eight thousand".