39914390 has 16 divisors (see below), whose sum is σ = 72396720. Its totient is φ = 15843360.

The previous prime is 39914377. The next prime is 39914393. The reversal of 39914390 is 9341993.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39914393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13925 + ... + 16544.

It is an arithmetic number, because the mean of its divisors is an integer number (4524795).

Almost surely, 2^39914390 is an apocalyptic number.

39914390 is a deficient number, since it is larger than the sum of its proper divisors (32482330).

39914390 is a wasteful number, since it uses less digits than its factorization.

39914390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30607.

The product of its (nonzero) digits is 26244, while the sum is 38.

The square root of 39914390 is about 6317.7836303565. The cubic root of 39914390 is about 341.7510299971.

It can be divided in two parts, 39914 and 390, that added together give a palindrome (40304).

The spelling of 39914390 in words is "thirty-nine million, nine hundred fourteen thousand, three hundred ninety".