1994257708 has 24 divisors (see below), whose sum is σ = 3682177520. Its totient is φ = 942451200.

The previous prime is 1994257663. The next prime is 1994257717. The reversal of 1994257708 is 8077524991.

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, 2608 + ... + 63208.

Almost surely, 2^1994257708 is an apocalyptic number.

It is an amenable number.

1994257708 is a deficient number, since it is larger than the sum of its proper divisors (1687919812).

1994257708 is a wasteful number, since it uses less digits than its factorization.

1994257708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61057 (or 61055 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 52.

The square root of 1994257708 is about 44657.1126249783. The cubic root of 1994257708 is about 1258.7140882749.

The spelling of 1994257708 in words is "one billion, nine hundred ninety-four million, two hundred fifty-seven thousand, seven hundred eight".