19495242 has 40 divisors (see below), whose sum is σ = 47049156. Its totient is φ = 5997888.

The previous prime is 19495241. The next prime is 19495291. The reversal of 19495242 is 24259491.

It can be written as a sum of positive squares in 2 ways, for example, as 15610401 + 3884841 = 3951^2 + 1971^2 .

It is a junction number, because it is equal to n+sod(n) for n = 19495197 and 19495206.

It is not an unprimeable number, because it can be changed into a prime (19495241) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2523 + ... + 6734.

Almost surely, 2^19495242 is an apocalyptic number.

19495242 is an abundant number, since it is smaller than the sum of its proper divisors (27553914).

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

19495242 is a wasteful number, since it uses less digits than its factorization.

19495242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9284 (or 9275 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 19495242 is about 4415.3416628841. The cubic root of 19495242 is about 269.1387370923.

The spelling of 19495242 in words is "nineteen million, four hundred ninety-five thousand, two hundred forty-two".