1538196 has 48 divisors (see below), whose sum is σ = 4021248. Its totient is φ = 453600.

The previous prime is 1538191. The next prime is 1538203. The reversal of 1538196 is 6918351.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1538191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5541 + ... + 5811.

It is an arithmetic number, because the mean of its divisors is an integer number (83776).

2^1538196 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1538196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2010624).

1538196 is an abundant number, since it is smaller than the sum of its proper divisors (2483052).

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

1538196 is a wasteful number, since it uses less digits than its factorization.

1538196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332 (or 330 counting only the distinct ones).

The product of its digits is 6480, while the sum is 33.

The square root of 1538196 is about 1240.2402992969. The cubic root of 1538196 is about 115.4349252061.

The spelling of 1538196 in words is "one million, five hundred thirty-eight thousand, one hundred ninety-six".