1520046 has 40 divisors (see below), whose sum is σ = 3720024. Its totient is φ = 460080.

The previous prime is 1520011. The next prime is 1520069. The reversal of 1520046 is 6400251.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1356 + ... + 2208.

2^1520046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1520046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1860012).

1520046 is an abundant number, since it is smaller than the sum of its proper divisors (2199978).

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

1520046 is a wasteful number, since it uses less digits than its factorization.

1520046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878 (or 869 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1520046 is about 1232.9014559161. The cubic root of 1520046 is about 114.9791014324.

Adding to 1520046 its reverse (6400251), we get a palindrome (7920297).

The spelling of 1520046 in words is "one million, five hundred twenty thousand, forty-six".