19480971 has 8 divisors (see below), whose sum is σ = 26017600. Its totient is φ = 12965832.

The previous prime is 19480969. The next prime is 19480973. The reversal of 19480971 is 17908491.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (19480969) and next prime (19480973).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 19480971 - 2¹ = 19480969 is a prime.

It is a super-2 number, since 2×19480971² = 759016462205682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19480973) 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, 3121 + ... + 6978.

It is an arithmetic number, because the mean of its divisors is an integer number (3252200).

Almost surely, 2^19480971 is an apocalyptic number.

19480971 is a deficient number, since it is larger than the sum of its proper divisors (6536629).

19480971 is a wasteful number, since it uses less digits than its factorization.

19480971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10745.

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 19480971 is about 4413.7252972971. The cubic root of 19480971 is about 269.0730489874.

The spelling of 19480971 in words is "nineteen million, four hundred eighty thousand, nine hundred seventy-one".