39621485 has 8 divisors (see below), whose sum is σ = 47614560. Its totient is φ = 31651344.

The previous prime is 39621481. The next prime is 39621499. The reversal of 39621485 is 58412693.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 39621485 - 2² = 39621481 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39621481) 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, 1667 + ... + 9056.

It is an arithmetic number, because the mean of its divisors is an integer number (5951820).

Almost surely, 2^39621485 is an apocalyptic number.

It is an amenable number.

39621485 is a deficient number, since it is larger than the sum of its proper divisors (7993075).

39621485 is a wasteful number, since it uses less digits than its factorization.

39621485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11467.

The product of its digits is 51840, while the sum is 38.

The square root of 39621485 is about 6294.5599528482. The cubic root of 39621485 is about 340.9130160572.

The spelling of 39621485 in words is "thirty-nine million, six hundred twenty-one thousand, four hundred eighty-five".