19480356 has 72 divisors (see below), whose sum is σ = 58740864. Its totient is φ = 5322240.

The previous prime is 19480337. The next prime is 19480367. The reversal of 19480356 is 65308491.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 19480356.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4116 + ... + 7476.

Almost surely, 2^19480356 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 19480356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29370432).

19480356 is an abundant number, since it is smaller than the sum of its proper divisors (39260508).

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

19480356 is a wasteful number, since it uses less digits than its factorization.

19480356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3401 (or 3396 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 19480356 is about 4413.6556277082. The cubic root of 19480356 is about 269.0702174779.

The spelling of 19480356 in words is "nineteen million, four hundred eighty thousand, three hundred fifty-six".