38985649 has 16 divisors (see below), whose sum is σ = 41247360. Its totient is φ = 36812160.

The previous prime is 38985643. The next prime is 38985671. The reversal of 38985649 is 94658983.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 38985649 - 2¹³ = 38977457 is a prime.

It is a Duffinian number.

Its product of digits (1866240) is a multiple of the sum of its prime divisors (360).

It is a junction number, because it is equal to n+sod(n) for n = 38985596 and 38985605.

It is not an unprimeable number, because it can be changed into a prime (38985643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233364 + ... + 233530.

It is an arithmetic number, because the mean of its divisors is an integer number (2577960).

Almost surely, 2^38985649 is an apocalyptic number.

It is an amenable number.

38985649 is a deficient number, since it is larger than the sum of its proper divisors (2261711).

38985649 is a wasteful number, since it uses less digits than its factorization.

38985649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360.

The product of its digits is 1866240, while the sum is 52.

The square root of 38985649 is about 6243.8488931107. The cubic root of 38985649 is about 339.0795432364.

The spelling of 38985649 in words is "thirty-eight million, nine hundred eighty-five thousand, six hundred forty-nine".