2420867 has 2 divisors, whose sum is σ = 2420868. Its totient is φ = 2420866.

The previous prime is 2420863. The next prime is 2420879. The reversal of 2420867 is 7680242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2420867 - 2² = 2420863 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2420863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210433 + 1210434.

It is an arithmetic number, because the mean of its divisors is an integer number (1210434).

2^2420867 is an apocalyptic number.

2420867 is a deficient number, since it is larger than the sum of its proper divisors (1).

2420867 is an equidigital number, since it uses as much as digits as its factorization.

2420867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 2420867 is about 1555.9135580102. The cubic root of 2420867 is about 134.2735002041.

The spelling of 2420867 in words is "two million, four hundred twenty thousand, eight hundred sixty-seven".