1083861838 has 4 divisors (see below), whose sum is σ = 1625792760. Its totient is φ = 541930918.

The previous prime is 1083861833. The next prime is 1083861839. The reversal of 1083861838 is 8381683801.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1083861833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270965458 + ... + 270965461.

It is an arithmetic number, because the mean of its divisors is an integer number (406448190).

Almost surely, 2^1083861838 is an apocalyptic number.

1083861838 is a deficient number, since it is larger than the sum of its proper divisors (541930922).

1083861838 is an equidigital number, since it uses as much as digits as its factorization.

1083861838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541930921.

The product of its (nonzero) digits is 221184, while the sum is 46.

The square root of 1083861838 is about 32922.0570134978. The cubic root of 1083861838 is about 1027.2070114563.

It can be divided in two parts, 108386 and 1838, that added together give a square (110224 = 332²).

The spelling of 1083861838 in words is "one billion, eighty-three million, eight hundred sixty-one thousand, eight hundred thirty-eight".