109289652 has 48 divisors (see below), whose sum is σ = 267079680. Its totient is φ = 34717408.

The previous prime is 109289647. The next prime is 109289659. The reversal of 109289652 is 256982901.

It is a super-2 number, since 2×109289652² = 23888456068562208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109289659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98533 + ... + 99635.

It is an arithmetic number, because the mean of its divisors is an integer number (5564160).

Almost surely, 2^109289652 is an apocalyptic number.

109289652 is a gapful number since it is divisible by the number (12) 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 109289652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133539840).

109289652 is an abundant number, since it is smaller than the sum of its proper divisors (157790028).

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

109289652 is a wasteful number, since it uses less digits than its factorization.

109289652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1492 (or 1490 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 109289652 is about 10454.1691204992. The cubic root of 109289652 is about 478.1083710565.

The spelling of 109289652 in words is "one hundred nine million, two hundred eighty-nine thousand, six hundred fifty-two".