1338734 has 16 divisors (see below), whose sum is σ = 2097600. Its totient is φ = 640224.

The previous prime is 1338731. The next prime is 1338737. The reversal of 1338734 is 4378331.

It is an interprime number because it is at equal distance from previous prime (1338731) and next prime (1338737).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1338697 and 1338706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1338731) 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, 5732 + ... + 5960.

It is an arithmetic number, because the mean of its divisors is an integer number (131100).

2^1338734 is an apocalyptic number.

1338734 is a deficient number, since it is larger than the sum of its proper divisors (758866).

1338734 is a wasteful number, since it uses less digits than its factorization.

1338734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347.

The product of its digits is 6048, while the sum is 29.

The square root of 1338734 is about 1157.0367323469. The cubic root of 1338734 is about 110.2126465087.

The spelling of 1338734 in words is "one million, three hundred thirty-eight thousand, seven hundred thirty-four".