38744970 has 64 divisors (see below), whose sum is σ = 102301056. Its totient is φ = 9313280.

The previous prime is 38744963. The next prime is 38744977. The reversal of 38744970 is 7944783.

38744970 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (38744963) and next prime (38744977).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (38744977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44782 + ... + 45638.

It is an arithmetic number, because the mean of its divisors is an integer number (1598454).

Almost surely, 2^38744970 is an apocalyptic number.

38744970 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 38744970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51150528).

38744970 is an abundant number, since it is smaller than the sum of its proper divisors (63556086).

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

38744970 is a wasteful number, since it uses less digits than its factorization.

38744970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015.

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 38744970 is about 6224.5457665600. The cubic root of 38744970 is about 338.3803300216.

The spelling of 38744970 in words is "thirty-eight million, seven hundred forty-four thousand, nine hundred seventy".