1506220 has 24 divisors (see below), whose sum is σ = 3193344. Its totient is φ = 596736.

The previous prime is 1506203. The next prime is 1506223. The reversal of 1506220 is 226051.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1506194 and 1506203.

It is not an unprimeable number, because it can be changed into a prime (1506223) 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, 2244 + ... + 2836.

It is an arithmetic number, because the mean of its divisors is an integer number (133056).

2^1506220 is an apocalyptic number.

1506220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1506220 is an abundant number, since it is smaller than the sum of its proper divisors (1687124).

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

1506220 is a wasteful number, since it uses less digits than its factorization.

1506220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729 (or 727 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1506220 is about 1227.2815487898. The cubic root of 1506220 is about 114.6294310021.

The spelling of 1506220 in words is "one million, five hundred six thousand, two hundred twenty".