2420866 has 24 divisors (see below), whose sum is σ = 4389120. Its totient is φ = 980856.

The previous prime is 2420863. The next prime is 2420867. The reversal of 2420866 is 6680242.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2420863) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4815 + ... + 5293.

It is an arithmetic number, because the mean of its divisors is an integer number (182880).

2^2420866 is an apocalyptic number.

2420866 is a deficient number, since it is larger than the sum of its proper divisors (1968254).

2420866 is a wasteful number, since it uses less digits than its factorization.

2420866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526 (or 507 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 2420866 is about 1555.9132366556. The cubic root of 2420866 is about 134.2734817157.

The spelling of 2420866 in words is "two million, four hundred twenty thousand, eight hundred sixty-six".