38436705 has 12 divisors (see below), whose sum is σ = 66623700. Its totient is φ = 20499552.

The previous prime is 38436689. The next prime is 38436709. The reversal of 38436705 is 50763483.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3968064 + 34468641 = 1992^2 + 5871^2 .

It is not a de Polignac number, because 38436705 - 2⁴ = 38436689 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38436705.

It is not an unprimeable number, because it can be changed into a prime (38436709) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 427030 + ... + 427119.

It is an arithmetic number, because the mean of its divisors is an integer number (5551975).

Almost surely, 2^38436705 is an apocalyptic number.

It is an amenable number.

38436705 is a deficient number, since it is larger than the sum of its proper divisors (28186995).

38436705 is a wasteful number, since it uses less digits than its factorization.

38436705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854160 (or 854157 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 38436705 is about 6199.7342684989. The cubic root of 38436705 is about 337.4805256253.

The spelling of 38436705 in words is "thirty-eight million, four hundred thirty-six thousand, seven hundred five".