1089836506 has 16 divisors (see below), whose sum is σ = 1803409920. Its totient is φ = 489813280.

The previous prime is 1089836497. The next prime is 1089836551. The reversal of 1089836506 is 6056389801.

It is a super-3 number, since 3×1089836506³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276346 + ... + 280261.

It is an arithmetic number, because the mean of its divisors is an integer number (112713120).

Almost surely, 2^1089836506 is an apocalyptic number.

1089836506 is a deficient number, since it is larger than the sum of its proper divisors (713573414).

1089836506 is a wasteful number, since it uses less digits than its factorization.

1089836506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556709.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 1089836506 is about 33012.6719003476. The cubic root of 1089836506 is about 1029.0910087636.

The spelling of 1089836506 in words is "one billion, eighty-nine million, eight hundred thirty-six thousand, five hundred six".