2461864 has 8 divisors (see below), whose sum is σ = 4616010. Its totient is φ = 1230928.

The previous prime is 2461861. The next prime is 2461871. The reversal of 2461864 is 4681642.

It can be written as a sum of positive squares in only one way, i.e., 2377764 + 84100 = 1542^2 + 290^2 .

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 (2461861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153859 + ... + 153874.

2^2461864 is an apocalyptic number.

It is an amenable number.

2461864 is a deficient number, since it is larger than the sum of its proper divisors (2154146).

2461864 is a wasteful number, since it uses less digits than its factorization.

2461864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307739 (or 307735 counting only the distinct ones).

The product of its digits is 9216, while the sum is 31.

The square root of 2461864 is about 1569.0328231111. The cubic root of 2461864 is about 135.0272281614.

The spelling of 2461864 in words is "two million, four hundred sixty-one thousand, eight hundred sixty-four".