6469942 has 8 divisors (see below), whose sum is σ = 9828000. Its totient is φ = 3193944.

The previous prime is 6469921. The next prime is 6469943. The reversal of 6469942 is 2499646.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 6³ + 4 + 6⁸ + 9⁴ + 9⁷ + 4³ + 2⁹ .

It is a junction number, because it is equal to n+sod(n) for n = 6469895 and 6469904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6469943) 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, 20317 + ... + 20632.

It is an arithmetic number, because the mean of its divisors is an integer number (1228500).

Almost surely, 2^6469942 is an apocalyptic number.

6469942 is a deficient number, since it is larger than the sum of its proper divisors (3358058).

6469942 is a wasteful number, since it uses less digits than its factorization.

6469942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41030.

The product of its digits is 93312, while the sum is 40.

The square root of 6469942 is about 2543.6080672934. The cubic root of 6469942 is about 186.3374419370.

The spelling of 6469942 in words is "six million, four hundred sixty-nine thousand, nine hundred forty-two".