2406994891 has 8 divisors (see below), whose sum is σ = 2752261344. Its totient is φ = 2062080960.

The previous prime is 2406994883. The next prime is 2406994897. The reversal of 2406994891 is 1984996042.

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 2406994891 - 2³ = 2406994883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2406994897) 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, 73330 + ... + 100951.

It is an arithmetic number, because the mean of its divisors is an integer number (344032668).

Almost surely, 2^2406994891 is an apocalyptic number.

2406994891 is a deficient number, since it is larger than the sum of its proper divisors (345266453).

2406994891 is a wasteful number, since it uses less digits than its factorization.

2406994891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176261.

The product of its (nonzero) digits is 1119744, while the sum is 52.

The square root of 2406994891 is about 49061.1342204805. The cubic root of 2406994891 is about 1340.1653636794.

The spelling of 2406994891 in words is "two billion, four hundred six million, nine hundred ninety-four thousand, eight hundred ninety-one".