3787906042 has 4 divisors (see below), whose sum is σ = 5681859066. Its totient is φ = 1893953020.

The previous prime is 3787906039. The next prime is 3787906049. The reversal of 3787906042 is 2406097873.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3344424561 + 443481481 = 57831^2 + 21059^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3787905983 and 3787906001.

It is not an unprimeable number, because it can be changed into a prime (3787906049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 946976509 + ... + 946976512.

Almost surely, 2^3787906042 is an apocalyptic number.

3787906042 is a deficient number, since it is larger than the sum of its proper divisors (1893953024).

3787906042 is a wasteful number, since it uses less digits than its factorization.

3787906042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1893953023.

The product of its (nonzero) digits is 508032, while the sum is 46.

The square root of 3787906042 is about 61545.9669027955. The cubic root of 3787906042 is about 1558.8335080395.

The spelling of 3787906042 in words is "three billion, seven hundred eighty-seven million, nine hundred six thousand, forty-two".