1926656 has 40 divisors (see below), whose sum is σ = 3977424. Its totient is φ = 931840.

The previous prime is 1926653. The next prime is 1926667. The reversal of 1926656 is 6566291.

It is a happy number.

It is a plaindrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1926653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27101 + ... + 27171.

2^1926656 is an apocalyptic number.

1926656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1926656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1988712).

1926656 is an abundant number, since it is smaller than the sum of its proper divisors (2050768).

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

1926656 is an frugal number, since it uses more digits than its factorization.

1926656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142 (or 126 counting only the distinct ones).

The product of its digits is 19440, while the sum is 35.

The square root of 1926656 is about 1388.0403452350. The cubic root of 1926656 is about 124.4327577839.

The spelling of 1926656 in words is "one million, nine hundred twenty-six thousand, six hundred fifty-six".