39481854 has 16 divisors (see below), whose sum is σ = 83608848. Its totient is φ = 12386432.

The previous prime is 39481787. The next prime is 39481859. The reversal of 39481854 is 45818493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39481859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193437 + ... + 193640.

It is an arithmetic number, because the mean of its divisors is an integer number (5225553).

Almost surely, 2^39481854 is an apocalyptic number.

39481854 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

39481854 is an abundant number, since it is smaller than the sum of its proper divisors (44126994).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39481854 is a wasteful number, since it uses less digits than its factorization.

39481854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387099.

The product of its digits is 138240, while the sum is 42.

The square root of 39481854 is about 6283.4587609055. The cubic root of 39481854 is about 340.5120715229.

The spelling of 39481854 in words is "thirty-nine million, four hundred eighty-one thousand, eight hundred fifty-four".