6656435 has 8 divisors (see below), whose sum is σ = 8457696. Its totient is φ = 5011840.

The previous prime is 6656393. The next prime is 6656437. The reversal of 6656435 is 5346566.

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

It is not a de Polignac number, because 6656435 - 2⁶ = 6656371 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6656395 and 6656404.

It is not an unprimeable number, because it can be changed into a prime (6656437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39071 + ... + 39240.

It is an arithmetic number, because the mean of its divisors is an integer number (1057212).

Almost surely, 2^6656435 is an apocalyptic number.

6656435 is a deficient number, since it is larger than the sum of its proper divisors (1801261).

6656435 is a wasteful number, since it uses less digits than its factorization.

6656435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78333.

The product of its digits is 64800, while the sum is 35.

The square root of 6656435 is about 2580.0067829368. The cubic root of 6656435 is about 188.1108728074.

Subtracting from 6656435 its sum of digits (35), we obtain a square (6656400 = 2580²).

It can be divided in two parts, 665 and 6435, that multiplied together give a triangular number (4279275 = T₂₉₂₅).

The spelling of 6656435 in words is "six million, six hundred fifty-six thousand, four hundred thirty-five".