1908089942 has 16 divisors (see below), whose sum is σ = 3132315792. Its totient is φ = 864539520.

The previous prime is 1908089921. The next prime is 1908089969. The reversal of 1908089942 is 2499808091.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131663 + ... + 145434.

It is an arithmetic number, because the mean of its divisors is an integer number (195769737).

Almost surely, 2^1908089942 is an apocalyptic number.

1908089942 is a deficient number, since it is larger than the sum of its proper divisors (1224225850).

1908089942 is a wasteful number, since it uses less digits than its factorization.

1908089942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277423.

The product of its (nonzero) digits is 373248, while the sum is 50.

The square root of 1908089942 is about 43681.6888638706. The cubic root of 1908089942 is about 1240.3177173203.

The spelling of 1908089942 in words is "one billion, nine hundred eight million, eighty-nine thousand, nine hundred forty-two".