1533396 has 24 divisors (see below), whose sum is σ = 3646944. Its totient is φ = 501280.

The previous prime is 1533379. The next prime is 1533397. The reversal of 1533396 is 6933351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1533397) 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, 570 + ... + 1841.

It is an arithmetic number, because the mean of its divisors is an integer number (151956).

2^1533396 is an apocalyptic number.

It is an amenable number.

1533396 is an abundant number, since it is smaller than the sum of its proper divisors (2113548).

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

1533396 is a wasteful number, since it uses less digits than its factorization.

1533396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2471 (or 2469 counting only the distinct ones).

The product of its digits is 7290, while the sum is 30.

The square root of 1533396 is about 1238.3036784246. The cubic root of 1533396 is about 115.3147270448.

It can be divided in two parts, 15 and 33396, that added together give a triangular number (33411 = T₂₅₈).

The spelling of 1533396 in words is "one million, five hundred thirty-three thousand, three hundred ninety-six".