1520826 has 16 divisors (see below), whose sum is σ = 3106944. Its totient is φ = 496064.

The previous prime is 1520821. The next prime is 1520851. The reversal of 1520826 is 6280251.

It is a junction number, because it is equal to n+sod(n) for n = 1520796 and 1520805.

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 in 7 ways as a sum of consecutive naturals, for example, 2415 + ... + 2978.

It is an arithmetic number, because the mean of its divisors is an integer number (194184).

2^1520826 is an apocalyptic number.

1520826 is an abundant number, since it is smaller than the sum of its proper divisors (1586118).

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

1520826 is a wasteful number, since it uses less digits than its factorization.

1520826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5445.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 1520826 is about 1233.2177423310. The cubic root of 1520826 is about 114.9987649521.

It can be divided in two parts, 1520 and 826, that added together give a triangular number (2346 = T₆₈).

The spelling of 1520826 in words is "one million, five hundred twenty thousand, eight hundred twenty-six".