1934186642 has 8 divisors (see below), whose sum is σ = 2914061616. Its totient is φ = 962832772.

The previous prime is 1934186621. The next prime is 1934186647. The reversal of 1934186642 is 2466814391.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1934186593 and 1934186602.

It is not an unprimeable number, because it can be changed into a prime (1934186647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2129708 + ... + 2130615.

It is an arithmetic number, because the mean of its divisors is an integer number (364257702).

Almost surely, 2^1934186642 is an apocalyptic number.

1934186642 is a deficient number, since it is larger than the sum of its proper divisors (979874974).

1934186642 is a wasteful number, since it uses less digits than its factorization.

1934186642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4260552.

The product of its digits is 248832, while the sum is 44.

The square root of 1934186642 is about 43979.3888315879. The cubic root of 1934186642 is about 1245.9466876940.

The spelling of 1934186642 in words is "one billion, nine hundred thirty-four million, one hundred eighty-six thousand, six hundred forty-two".