109486840 has 16 divisors (see below), whose sum is σ = 246345480. Its totient is φ = 43794720.

The previous prime is 109486813. The next prime is 109486841. The reversal of 109486840 is 48684901.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 2737171 = 109486840 / (1 + 0 + 9 + 4 + 8 + 6 + 8 + 4 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 109486793 and 109486802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109486841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1368546 + ... + 1368625.

Almost surely, 2^109486840 is an apocalyptic number.

109486840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109486840 is an abundant number, since it is smaller than the sum of its proper divisors (136858640).

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

109486840 is a wasteful number, since it uses less digits than its factorization.

109486840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2737182 (or 2737178 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 109486840 is about 10463.5959402110. The cubic root of 109486840 is about 478.3957437644.

The spelling of 109486840 in words is "one hundred nine million, four hundred eighty-six thousand, eight hundred forty".