2085457 has 8 divisors (see below), whose sum is σ = 2328480. Its totient is φ = 1851360.

The previous prime is 2085409. The next prime is 2085469. The reversal of 2085457 is 7545802.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2085457 - 2¹⁵ = 2052689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2085487) 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, 1732 + ... + 2677.

It is an arithmetic number, because the mean of its divisors is an integer number (291060).

2^2085457 is an apocalyptic number.

It is an amenable number.

2085457 is a deficient number, since it is larger than the sum of its proper divisors (243023).

2085457 is a wasteful number, since it uses less digits than its factorization.

2085457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4463.

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 2085457 is about 1444.1111453070. Note that the first 4 decimals coincide. The cubic root of 2085457 is about 127.7616209495.

It can be divided in two parts, 208 and 5457, that added together give a palindrome (5665).

The spelling of 2085457 in words is "two million, eighty-five thousand, four hundred fifty-seven".