1927667442 has 16 divisors (see below), whose sum is σ = 3869997120. Its totient is φ = 640112112.

The previous prime is 1927667431. The next prime is 1927667449. The reversal of 1927667442 is 2447667291.

It is a junction number, because it is equal to n+sod(n) for n = 1927667391 and 1927667400.

It is not an unprimeable number, because it can be changed into a prime (1927667449) 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, 609217 + ... + 612372.

It is an arithmetic number, because the mean of its divisors is an integer number (241874820).

Almost surely, 2^1927667442 is an apocalyptic number.

1927667442 is an abundant number, since it is smaller than the sum of its proper divisors (1942329678).

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

1927667442 is a wasteful number, since it uses less digits than its factorization.

1927667442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221857.

The product of its digits is 1016064, while the sum is 48.

The square root of 1927667442 is about 43905.2097364311. The cubic root of 1927667442 is about 1244.5452857915.

The spelling of 1927667442 in words is "one billion, nine hundred twenty-seven million, six hundred sixty-seven thousand, four hundred forty-two".