4019912 has 16 divisors (see below), whose sum is σ = 8117340. Its totient is φ = 1855296.

The previous prime is 4019909. The next prime is 4019993. The reversal of 4019912 is 2199104.

It can be written as a sum of positive squares in 2 ways, for example, as 3290596 + 729316 = 1814^2 + 854^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a nialpdrome in base 13.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19223 + ... + 19430.

Almost surely, 2^4019912 is an apocalyptic number.

It is an amenable number.

4019912 is an abundant number, since it is smaller than the sum of its proper divisors (4097428).

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

4019912 is a wasteful number, since it uses less digits than its factorization.

4019912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38672 (or 38668 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 4019912 is about 2004.9718202508. The cubic root of 4019912 is about 159.0030720765.

The spelling of 4019912 in words is "four million, nineteen thousand, nine hundred twelve".