38298940 has 12 divisors (see below), whose sum is σ = 80427816. Its totient is φ = 15319568.

The previous prime is 38298929. The next prime is 38298941. The reversal of 38298940 is 4989283.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38298941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 957454 + ... + 957493.

It is an arithmetic number, because the mean of its divisors is an integer number (6702318).

Almost surely, 2^38298940 is an apocalyptic number.

It is an amenable number.

38298940 is an abundant number, since it is smaller than the sum of its proper divisors (42128876).

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

38298940 is a wasteful number, since it uses less digits than its factorization.

38298940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1914956 (or 1914954 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 38298940 is about 6188.6137381485. The cubic root of 38298940 is about 337.0768432398.

It can be divided in two parts, 3829 and 8940, that added together give a square (12769 = 113²).

The spelling of 38298940 in words is "thirty-eight million, two hundred ninety-eight thousand, nine hundred forty".