39855898 has 8 divisors (see below), whose sum is σ = 60052608. Its totient is φ = 19838364.

The previous prime is 39855869. The next prime is 39855917. The reversal of 39855898 is 89855893.

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

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, 44236 + ... + 45127.

It is an arithmetic number, because the mean of its divisors is an integer number (7506576).

Almost surely, 2^39855898 is an apocalyptic number.

39855898 is a deficient number, since it is larger than the sum of its proper divisors (20196710).

39855898 is a wasteful number, since it uses less digits than its factorization.

39855898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89588.

The product of its digits is 3110400, while the sum is 55.

The square root of 39855898 is about 6313.1527781292. The cubic root of 39855898 is about 341.5840102518.

The spelling of 39855898 in words is "thirty-nine million, eight hundred fifty-five thousand, eight hundred ninety-eight".