845849938 has 8 divisors (see below), whose sum is σ = 1276109388. Its totient is φ = 420480144.

The previous prime is 845849899. The next prime is 845849941. The reversal of 845849938 is 839948548.

It can be written as a sum of positive squares in 2 ways, for example, as 799023289 + 46826649 = 28267^2 + 6843^2 .

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

It is a super-2 number, since 2×845849938² = 1430924235229207688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1221981 + ... + 1222672.

Almost surely, 2^845849938 is an apocalyptic number.

845849938 is a deficient number, since it is larger than the sum of its proper divisors (430259450).

845849938 is a wasteful number, since it uses less digits than its factorization.

845849938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2444828.

The product of its digits is 9953280, while the sum is 58.

The square root of 845849938 is about 29083.4994111782. The cubic root of 845849938 is about 945.7240656987.

The spelling of 845849938 in words is "eight hundred forty-five million, eight hundred forty-nine thousand, nine hundred thirty-eight".