19103480 has 48 divisors (see below), whose sum is σ = 47257560. Its totient is φ = 6944960.

The previous prime is 19103477. The next prime is 19103503. The reversal of 19103480 is 8430191.

It is a super-2 number, since 2×19103480² = 729885896220800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2867 + ... + 6813.

Almost surely, 2^19103480 is an apocalyptic number.

19103480 is a gapful number since it is divisible by the number (10) 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 19103480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23628780).

19103480 is an abundant number, since it is smaller than the sum of its proper divisors (28154080).

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

19103480 is a wasteful number, since it uses less digits than its factorization.

19103480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3980 (or 3965 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 19103480 is about 4370.7527955719. The cubic root of 19103480 is about 267.3237200015.

Subtracting from 19103480 its reverse (8430191), we obtain a square (10673289 = 3267²).

The spelling of 19103480 in words is "nineteen million, one hundred three thousand, four hundred eighty".