1538534 has 16 divisors (see below), whose sum is σ = 2511648. Its totient is φ = 703872.

The previous prime is 1538531. The next prime is 1538569. The reversal of 1538534 is 4358351.

It is a junction number, because it is equal to n+sod(n) for n = 1538497 and 1538506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1538531) 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, 647 + ... + 1869.

It is an arithmetic number, because the mean of its divisors is an integer number (156978).

2^1538534 is an apocalyptic number.

1538534 is a deficient number, since it is larger than the sum of its proper divisors (973114).

1538534 is a wasteful number, since it uses less digits than its factorization.

1538534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279.

The product of its digits is 7200, while the sum is 29.

The square root of 1538534 is about 1240.3765557281. The cubic root of 1538534 is about 115.4433797306.

The spelling of 1538534 in words is "one million, five hundred thirty-eight thousand, five hundred thirty-four".