19234980 has 36 divisors (see below), whose sum is σ = 58346652. Its totient is φ = 5129280.

The previous prime is 19234979. The next prime is 19234987. The reversal of 19234980 is 8943291.

It can be written as a sum of positive squares in 2 ways, for example, as 8892324 + 10342656 = 2982^2 + 3216^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is not an unprimeable number, because it can be changed into a prime (19234987) 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, 53251 + ... + 53610.

Almost surely, 2^19234980 is an apocalyptic number.

19234980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19234980 is an abundant number, since it is smaller than the sum of its proper divisors (39111672).

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

19234980 is a wasteful number, since it uses less digits than its factorization.

19234980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106876 (or 106871 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 19234980 is about 4385.7701718170. The cubic root of 19234980 is about 267.9356977979.

It can be divided in two parts, 1923 and 4980, that added together give a triangular number (6903 = T₁₁₇).

The spelling of 19234980 in words is "nineteen million, two hundred thirty-four thousand, nine hundred eighty".