1485621 has 10 divisors (see below), whose sum is σ = 2219382. Its totient is φ = 990360.

The previous prime is 1485619. The next prime is 1485683. The reversal of 1485621 is 1265841.

It can be written as a sum of positive squares in only one way, i.e., 980100 + 505521 = 990^2 + 711^2 .

It is not a de Polignac number, because 1485621 - 2¹ = 1485619 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1485221) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 9090 + ... + 9251.

2^1485621 is an apocalyptic number.

It is an amenable number.

1485621 is a deficient number, since it is larger than the sum of its proper divisors (733761).

1485621 is an equidigital number, since it uses as much as digits as its factorization.

1485621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18353 (or 18344 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 1485621 is about 1218.8605334492. The cubic root of 1485621 is about 114.1044748623.

The spelling of 1485621 in words is "one million, four hundred eighty-five thousand, six hundred twenty-one".