39403116 has 18 divisors (see below), whose sum is σ = 99602412. Its totient is φ = 13134360.

The previous prime is 39403103. The next prime is 39403121. The reversal of 39403116 is 61130493.

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 39403116.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 547230 + ... + 547301.

Almost surely, 2^39403116 is an apocalyptic number.

39403116 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

39403116 is an abundant number, since it is smaller than the sum of its proper divisors (60199296).

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

39403116 is a wasteful number, since it uses less digits than its factorization.

39403116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094541 (or 1094536 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 39403116 is about 6277.1901357216. The cubic root of 39403116 is about 340.2855617079.

It can be divided in two parts, 3940 and 3116, that added together give a square (7056 = 84²).

The spelling of 39403116 in words is "thirty-nine million, four hundred three thousand, one hundred sixteen".