1506628 has 6 divisors (see below), whose sum is σ = 2636606. Its totient is φ = 753312.

The previous prime is 1506623. The next prime is 1506641. The reversal of 1506628 is 8266051.

It can be written as a sum of positive squares in only one way, i.e., 1483524 + 23104 = 1218^2 + 152^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1506596 and 1506605.

It is not an unprimeable number, because it can be changed into a prime (1506623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 188325 + ... + 188332.

2^1506628 is an apocalyptic number.

It is an amenable number.

1506628 is a deficient number, since it is larger than the sum of its proper divisors (1129978).

1506628 is a wasteful number, since it uses less digits than its factorization.

1506628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376661 (or 376659 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 1506628 is about 1227.4477585625. The cubic root of 1506628 is about 114.6397802175.

The spelling of 1506628 in words is "one million, five hundred six thousand, six hundred twenty-eight".