2406619 has 2 divisors, whose sum is σ = 2406620. Its totient is φ = 2406618.

The previous prime is 2406617. The next prime is 2406629. The reversal of 2406619 is 9166042.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2406619 - 2¹ = 2406617 is a prime.

It is a super-2 number, since 2×2406619² = 11583630022322, which contains 22 as substring.

Together with 2406617, it forms a pair of twin primes.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2406617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1203309 + 1203310.

It is an arithmetic number, because the mean of its divisors is an integer number (1203310).

2^2406619 is an apocalyptic number.

2406619 is a deficient number, since it is larger than the sum of its proper divisors (1).

2406619 is an equidigital number, since it uses as much as digits as its factorization.

2406619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 2406619 is about 1551.3281406588. The cubic root of 2406619 is about 134.0095597249.

It can be divided in two parts, 2406 and 619, that added together give a square (3025 = 55²).

The spelling of 2406619 in words is "two million, four hundred six thousand, six hundred nineteen".