38641698 has 20 divisors (see below), whose sum is σ = 86586390. Its totient is φ = 12880512.

The previous prime is 38641693. The next prime is 38641709. The reversal of 38641698 is 89614683.

It can be written as a sum of positive squares in only one way, i.e., 32867289 + 5774409 = 5733^2 + 2403^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (38641693) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 119103 + ... + 119426.

Almost surely, 2^38641698 is an apocalyptic number.

38641698 is an abundant number, since it is smaller than the sum of its proper divisors (47944692).

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

38641698 is a wasteful number, since it uses less digits than its factorization.

38641698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238543 (or 238534 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 38641698 is about 6216.2446863038. The cubic root of 38641698 is about 338.0794194990.

The spelling of 38641698 in words is "thirty-eight million, six hundred forty-one thousand, six hundred ninety-eight".