6442948 has 24 divisors (see below), whose sum is σ = 11797632. Its totient is φ = 3075744.

The previous prime is 6442939. The next prime is 6442979. The reversal of 6442948 is 8492446.

6442948 = 347² + 348² + ... + 393².

It is a super-3 number, since 3×6442948³ (a number of 21 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7686 + ... + 8482.

It is an arithmetic number, because the mean of its divisors is an integer number (491568).

Almost surely, 2^6442948 is an apocalyptic number.

It is an amenable number.

6442948 is a deficient number, since it is larger than the sum of its proper divisors (5354684).

6442948 is a wasteful number, since it uses less digits than its factorization.

6442948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891 (or 889 counting only the distinct ones).

The product of its digits is 55296, while the sum is 37.

The square root of 6442948 is about 2538.2962790029. The cubic root of 6442948 is about 186.0779339654.

It can be divided in two parts, 6442 and 948, that multiplied together give a palindrome (6107016).

The spelling of 6442948 in words is "six million, four hundred forty-two thousand, nine hundred forty-eight".