19862248 has 48 divisors (see below), whose sum is σ = 45226080. Its totient is φ = 8138592.

The previous prime is 19862243. The next prime is 19862261. The reversal of 19862248 is 84226891.

It is a super-2 number, since 2×19862248² = 789017791227008, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 19862248.

It is not an unprimeable number, because it can be changed into a prime (19862243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7915 + ... + 10117.

It is an arithmetic number, because the mean of its divisors is an integer number (942210).

Almost surely, 2^19862248 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 19862248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22613040).

19862248 is an abundant number, since it is smaller than the sum of its proper divisors (25363832).

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

19862248 is a wasteful number, since it uses less digits than its factorization.

19862248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2246 (or 2235 counting only the distinct ones).

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

The square root of 19862248 is about 4456.7082022497. The cubic root of 19862248 is about 270.8171312964.

The spelling of 19862248 in words is "nineteen million, eight hundred sixty-two thousand, two hundred forty-eight".