109448646 has 12 divisors (see below), whose sum is σ = 218948556. Its totient is φ = 36474340.

The previous prime is 109448629. The next prime is 109448663. The reversal of 109448646 is 646844901.

It is an interprime number because it is at equal distance from previous prime (109448629) and next prime (109448663).

It is a super-2 number, since 2×109448646² = 23958012222466632, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 109448598 and 109448607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23491 + ... + 27761.

It is an arithmetic number, because the mean of its divisors is an integer number (18245713).

Almost surely, 2^109448646 is an apocalyptic number.

109448646 is an abundant number, since it is smaller than the sum of its proper divisors (109499910).

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

109448646 is an frugal number, since it uses more digits than its factorization.

109448646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8547 (or 4276 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 109448646 is about 10461.7706914270. The cubic root of 109448646 is about 478.3401085479.

The spelling of 109448646 in words is "one hundred nine million, four hundred forty-eight thousand, six hundred forty-six".