103449424 has 40 divisors (see below), whose sum is σ = 216548640. Its totient is φ = 47591808.

The previous prime is 103449421. The next prime is 103449427. The reversal of 103449424 is 424944301.

It is an interprime number because it is at equal distance from previous prime (103449421) and next prime (103449427).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103449421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86559 + ... + 87745.

It is an arithmetic number, because the mean of its divisors is an integer number (5413716).

Almost surely, 2^103449424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103449424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108274320).

103449424 is an abundant number, since it is smaller than the sum of its proper divisors (113099216).

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

103449424 is a wasteful number, since it uses less digits than its factorization.

103449424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1627 (or 1621 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 103449424 is about 10171.0089961616. The cubic root of 103449424 is about 469.4356043987.

The spelling of 103449424 in words is "one hundred three million, four hundred forty-nine thousand, four hundred twenty-four".