19094980 has 24 divisors (see below), whose sum is σ = 40586112. Its totient is φ = 7545312.

The previous prime is 19094969. The next prime is 19094987. The reversal of 19094980 is 8949091.

It is a super-2 number, since 2×19094980² = 729236522400800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (19094987) 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, 4092 + ... + 7411.

It is an arithmetic number, because the mean of its divisors is an integer number (1691088).

Almost surely, 2^19094980 is an apocalyptic number.

19094980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19094980 is an abundant number, since it is smaller than the sum of its proper divisors (21491132).

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

19094980 is a wasteful number, since it uses less digits than its factorization.

19094980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11595 (or 11593 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 19094980 is about 4369.7803148442. The cubic root of 19094980 is about 267.2840659924.

It can be divided in two parts, 1909 and 4980, that added together give a square (6889 = 83²).

The spelling of 19094980 in words is "nineteen million, ninety-four thousand, nine hundred eighty".