7256838 has 16 divisors (see below), whose sum is σ = 14570496. Its totient is φ = 2409480.

The previous prime is 7256827. The next prime is 7256849. The reversal of 7256838 is 8386527.

It is an interprime number because it is at equal distance from previous prime (7256827) and next prime (7256849).

It is a junction number, because it is equal to n+sod(n) for n = 7256796 and 7256805.

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 7 ways as a sum of consecutive naturals, for example, 606 + ... + 3857.

It is an arithmetic number, because the mean of its divisors is an integer number (910656).

Almost surely, 2^7256838 is an apocalyptic number.

7256838 is an abundant number, since it is smaller than the sum of its proper divisors (7313658).

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

7256838 is a wasteful number, since it uses less digits than its factorization.

7256838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4739.

The product of its digits is 80640, while the sum is 39.

The square root of 7256838 is about 2693.8518890243. The cubic root of 7256838 is about 193.6046613123.

The spelling of 7256838 in words is "seven million, two hundred fifty-six thousand, eight hundred thirty-eight".