1531096 has 32 divisors (see below), whose sum is σ = 3456000. Its totient is φ = 621216.

The previous prime is 1531093. The next prime is 1531111. The reversal of 1531096 is 6901351.

It is a super-2 number, since 2×1531096² = 4688509922432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1531096.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1531091) 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, 345 + ... + 1783.

It is an arithmetic number, because the mean of its divisors is an integer number (108000).

2^1531096 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 1531096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1728000).

1531096 is an abundant number, since it is smaller than the sum of its proper divisors (1924904).

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

1531096 is a wasteful number, since it uses less digits than its factorization.

1531096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1471 (or 1467 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 1531096 is about 1237.3746401151. The cubic root of 1531096 is about 115.2570431872.

The spelling of 1531096 in words is "one million, five hundred thirty-one thousand, ninety-six".