6462240 has 48 divisors (see below), whose sum is σ = 20357568. Its totient is φ = 1723136.

The previous prime is 6462233. The next prime is 6462251. The reversal of 6462240 is 422646.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 6462240.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6252 + ... + 7211.

It is an arithmetic number, because the mean of its divisors is an integer number (424116).

Almost surely, 2^6462240 is an apocalyptic number.

6462240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6462240 is an abundant number, since it is smaller than the sum of its proper divisors (13895328).

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

6462240 is a wasteful number, since it uses less digits than its factorization.

6462240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13481 (or 13473 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 6462240 is about 2542.0936253411. The cubic root of 6462240 is about 186.2634721423.

Adding to 6462240 its reverse (422646), we get a palindrome (6884886).

The spelling of 6462240 in words is "six million, four hundred sixty-two thousand, two hundred forty".