39485436 has 12 divisors (see below), whose sum is σ = 92132712. Its totient is φ = 13161808.

The previous prime is 39485417. The next prime is 39485449. The reversal of 39485436 is 63458493.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×39485436² = 3118199312220192, which contains 22 as substring.

It is a congruent number.

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, 1645215 + ... + 1645238.

It is an arithmetic number, because the mean of its divisors is an integer number (7677726).

Almost surely, 2^39485436 is an apocalyptic number.

It is an amenable number.

39485436 is an abundant number, since it is smaller than the sum of its proper divisors (52647276).

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

39485436 is a wasteful number, since it uses less digits than its factorization.

39485436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3290460 (or 3290458 counting only the distinct ones).

The product of its digits is 311040, while the sum is 42.

The square root of 39485436 is about 6283.7437885388. The cubic root of 39485436 is about 340.5223688893.

The spelling of 39485436 in words is "thirty-nine million, four hundred eighty-five thousand, four hundred thirty-six".