10420776 has 48 divisors (see below), whose sum is σ = 28522260. Its totient is φ = 3436800.

The previous prime is 10420723. The next prime is 10420777. The reversal of 10420776 is 67702401.

It can be written as a sum of positive squares in 2 ways, for example, as 8259876 + 2160900 = 2874^2 + 1470^2 .

It is not an unprimeable number, because it can be changed into a prime (10420777) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6556 + ... + 7988.

Almost surely, 2^10420776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10420776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14261130).

10420776 is an abundant number, since it is smaller than the sum of its proper divisors (18101484).

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

10420776 is a wasteful number, since it uses less digits than its factorization.

10420776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1546 (or 1539 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 10420776 is about 3228.1226742489. The cubic root of 10420776 is about 218.4238310750.

The spelling of 10420776 in words is "ten million, four hundred twenty thousand, seven hundred seventy-six".