10783381 has 18 divisors (see below), whose sum is σ = 13018230. Its totient is φ = 8905680.

The previous prime is 10783373. The next prime is 10783387. The reversal of 10783381 is 18338701.

10783381 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 10595025 + 188356 = 3255^2 + 434^2 .

It is not a de Polignac number, because 10783381 - 2³ = 10783373 is a prime.

It is a super-2 number, since 2×10783381² = 232562611582322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10783387) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 46975 + ... + 47203.

It is an arithmetic number, because the mean of its divisors is an integer number (723235).

Almost surely, 2^10783381 is an apocalyptic number.

It is an amenable number.

10783381 is a deficient number, since it is larger than the sum of its proper divisors (2234849).

10783381 is an equidigital number, since it uses as much as digits as its factorization.

10783381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305 (or 267 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 10783381 is about 3283.8058712415. The cubic root of 10783381 is about 220.9284522322.

The spelling of 10783381 in words is "ten million, seven hundred eighty-three thousand, three hundred eighty-one".