19000046 has 32 divisors (see below), whose sum is σ = 32175360. Its totient is φ = 8354304.

The previous prime is 19000043. The next prime is 19000073. The reversal of 19000046 is 64000091.

It is a super-2 number, since 2×19000046² = 722003496004232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18999991 and 19000027.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19000043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85091 + ... + 85313.

It is an arithmetic number, because the mean of its divisors is an integer number (1005480).

Almost surely, 2^19000046 is an apocalyptic number.

19000046 is a deficient number, since it is larger than the sum of its proper divisors (13175314).

19000046 is a wasteful number, since it uses less digits than its factorization.

19000046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 19000046 is about 4358.9042200994. The cubic root of 19000046 is about 266.8403802167.

The spelling of 19000046 in words is "nineteen million, forty-six", and thus it is an aban number and an uban number.