1652985 has 24 divisors (see below), whose sum is σ = 2900040. Its totient is φ = 870912.

The previous prime is 1652947. The next prime is 1652993. The reversal of 1652985 is 5892561.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 147456 + 1505529 = 384^2 + 1227^2 .

It is not a de Polignac number, because 1652985 - 2⁶ = 1652921 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4737 + ... + 5073.

It is an arithmetic number, because the mean of its divisors is an integer number (120835).

2^1652985 is an apocalyptic number.

1652985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1652985 is a deficient number, since it is larger than the sum of its proper divisors (1247055).

1652985 is a wasteful number, since it uses less digits than its factorization.

1652985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457 (or 454 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The square root of 1652985 is about 1285.6846425154. The cubic root of 1652985 is about 118.2377901447.

The spelling of 1652985 in words is "one million, six hundred fifty-two thousand, nine hundred eighty-five".