1906731342 has 24 divisors (see below), whose sum is σ = 4132352016. Its totient is φ = 635407776.

The previous prime is 1906731269. The next prime is 1906731367. The reversal of 1906731342 is 2431376091.

It is a junction number, because it is equal to n+sod(n) for n = 1906731297 and 1906731306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68343 + ... + 92109.

It is an arithmetic number, because the mean of its divisors is an integer number (172181334).

Almost surely, 2^1906731342 is an apocalyptic number.

1906731342 is an abundant number, since it is smaller than the sum of its proper divisors (2225620674).

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

1906731342 is a wasteful number, since it uses less digits than its factorization.

1906731342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28232 (or 28229 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 1906731342 is about 43666.1349560503. The cubic root of 1906731342 is about 1240.0232700281.

The spelling of 1906731342 in words is "one billion, nine hundred six million, seven hundred thirty-one thousand, three hundred forty-two".