39748855 has 16 divisors (see below), whose sum is σ = 50421600. Its totient is φ = 29998080.

The previous prime is 39748847. The next prime is 39748861. The reversal of 39748855 is 55884793.

It is not a de Polignac number, because 39748855 - 2³ = 39748847 is a prime.

It is a super-2 number, since 2×39748855² = 3159942947622050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 39748799 and 39748808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25951 + ... + 27439.

It is an arithmetic number, because the mean of its divisors is an integer number (3151350).

Almost surely, 2^39748855 is an apocalyptic number.

39748855 is a deficient number, since it is larger than the sum of its proper divisors (10672745).

39748855 is a wasteful number, since it uses less digits than its factorization.

39748855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1794.

The product of its digits is 1209600, while the sum is 49.

The square root of 39748855 is about 6304.6693013988. The cubic root of 39748855 is about 341.2779329244.

The spelling of 39748855 in words is "thirty-nine million, seven hundred forty-eight thousand, eight hundred fifty-five".