2408020861 has 8 divisors (see below), whose sum is σ = 2416599360. Its totient is φ = 2399453472.

The previous prime is 2408020837. The next prime is 2408020907. The reversal of 2408020861 is 1680208042.

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 2408020861 - 2²⁵ = 2374466429 is a prime.

It is a super-2 number, since 2×2408020861² = 11597128934022362642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2408020661) 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, 857686 + ... + 860488.

It is an arithmetic number, because the mean of its divisors is an integer number (302074920).

Almost surely, 2^2408020861 is an apocalyptic number.

It is an amenable number.

2408020861 is a deficient number, since it is larger than the sum of its proper divisors (8578499).

2408020861 is a wasteful number, since it uses less digits than its factorization.

2408020861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5555.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 2408020861 is about 49071.5891428024. The cubic root of 2408020861 is about 1340.3557496459.

The spelling of 2408020861 in words is "two billion, four hundred eight million, twenty thousand, eight hundred sixty-one".