2661862 has 16 divisors (see below), whose sum is σ = 4803840. Its totient is φ = 1080648.

The previous prime is 2661853. The next prime is 2661863. The reversal of 2661862 is 2681662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2661863) 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, 4738 + ... + 5269.

It is an arithmetic number, because the mean of its divisors is an integer number (300240).

2^2661862 is an apocalyptic number.

2661862 is a deficient number, since it is larger than the sum of its proper divisors (2141978).

2661862 is a wasteful number, since it uses less digits than its factorization.

2661862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10035.

The product of its digits is 6912, while the sum is 31.

The square root of 2661862 is about 1631.5213758943. The cubic root of 2661862 is about 138.5889205558.

The spelling of 2661862 in words is "two million, six hundred sixty-one thousand, eight hundred sixty-two".