2485864 has 8 divisors (see below), whose sum is σ = 4661010. Its totient is φ = 1242928.

The previous prime is 2485849. The next prime is 2485867. The reversal of 2485864 is 4685842.

It can be written as a sum of positive squares in only one way, i.e., 1340964 + 1144900 = 1158^2 + 1070^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (2485867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155359 + ... + 155374.

2^2485864 is an apocalyptic number.

It is an amenable number.

2485864 is a deficient number, since it is larger than the sum of its proper divisors (2175146).

2485864 is a wasteful number, since it uses less digits than its factorization.

2485864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310739 (or 310735 counting only the distinct ones).

The product of its digits is 61440, while the sum is 37.

The square root of 2485864 is about 1576.6622973865. The cubic root of 2485864 is about 135.4645904487.

The spelling of 2485864 in words is "two million, four hundred eighty-five thousand, eight hundred sixty-four".