655826438 has 8 divisors (see below), whose sum is σ = 1004670432. Its totient is φ = 320936296.

The previous prime is 655826419. The next prime is 655826461. The reversal of 655826438 is 834628556.

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

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a junction number, because it is equal to n+sod(n) for n = 655826392 and 655826401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3488345 + ... + 3488532.

It is an arithmetic number, because the mean of its divisors is an integer number (125583804).

Almost surely, 2^655826438 is an apocalyptic number.

655826438 is a deficient number, since it is larger than the sum of its proper divisors (348843994).

655826438 is a wasteful number, since it uses less digits than its factorization.

655826438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6976926.

The product of its digits is 1382400, while the sum is 47.

The square root of 655826438 is about 25609.1084967829. The cubic root of 655826438 is about 868.8196606288.

The spelling of 655826438 in words is "six hundred fifty-five million, eight hundred twenty-six thousand, four hundred thirty-eight".