6469542 has 12 divisors (see below), whose sum is σ = 14017380. Its totient is φ = 2156508.

The previous prime is 6469531. The next prime is 6469559. The reversal of 6469542 is 2459646.

6469542 is a `hidden beast` number, since 646 + 9 + 5 + 4 + 2 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a d-powerful number, because it can be written as 6⁷ + 4⁹ + 6⁷ + 9⁷ + 5⁷ + 4⁹ + 2¹⁹ .

It is a junction number, because it is equal to n+sod(n) for n = 6469497 and 6469506.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 179692 + ... + 179727.

It is an arithmetic number, because the mean of its divisors is an integer number (1168115).

Almost surely, 2^6469542 is an apocalyptic number.

6469542 is an abundant number, since it is smaller than the sum of its proper divisors (7547838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6469542 is a wasteful number, since it uses less digits than its factorization.

6469542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359427 (or 359424 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 6469542 is about 2543.5294376122. The cubic root of 6469542 is about 186.3336017937. Note that the first 3 decimals are identical.

The spelling of 6469542 in words is "six million, four hundred sixty-nine thousand, five hundred forty-two".