6402419 has 4 divisors (see below), whose sum is σ = 6418944. Its totient is φ = 6385896.

The previous prime is 6402413. The next prime is 6402433. The reversal of 6402419 is 9142046.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9142046 = 2 ⋅4571023.

It is a cyclic number.

It is not a de Polignac number, because 6402419 - 2⁸ = 6402163 is a prime.

It is a super-2 number, since 2×6402419² = 81981938103122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6402413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7667 + ... + 8460.

It is an arithmetic number, because the mean of its divisors is an integer number (1604736).

Almost surely, 2^6402419 is an apocalyptic number.

6402419 is a deficient number, since it is larger than the sum of its proper divisors (16525).

6402419 is a wasteful number, since it uses less digits than its factorization.

6402419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16524.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 6402419 is about 2530.3001798206. The cubic root of 6402419 is about 185.6869420717.

The spelling of 6402419 in words is "six million, four hundred two thousand, four hundred nineteen".