1520828 has 6 divisors (see below), whose sum is σ = 2661456. Its totient is φ = 760412.

The previous prime is 1520821. The next prime is 1520851. The reversal of 1520828 is 8280251.

It is a junction number, because it is equal to n+sod(n) for n = 1520797 and 1520806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1520821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190100 + ... + 190107.

It is an arithmetic number, because the mean of its divisors is an integer number (443576).

2^1520828 is an apocalyptic number.

It is an amenable number.

1520828 is a deficient number, since it is larger than the sum of its proper divisors (1140628).

1520828 is a wasteful number, since it uses less digits than its factorization.

1520828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380211 (or 380209 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 1520828 is about 1233.2185532176. The cubic root of 1520828 is about 114.9988153627.

The spelling of 1520828 in words is "one million, five hundred twenty thousand, eight hundred twenty-eight".