38743450 has 24 divisors (see below), whose sum is σ = 72772128. Its totient is φ = 15344880.

The previous prime is 38743433. The next prime is 38743457. The reversal of 38743450 is 5434783.

It is a happy number.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (38743457) 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, 1389 + ... + 8911.

It is an arithmetic number, because the mean of its divisors is an integer number (3032172).

Almost surely, 2^38743450 is an apocalyptic number.

38743450 is a deficient number, since it is larger than the sum of its proper divisors (34028678).

38743450 is a wasteful number, since it uses less digits than its factorization.

38743450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7638 (or 7633 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 38743450 is about 6224.4236680997. The cubic root of 38743450 is about 338.3759049755.

It can be divided in two parts, 38743 and 450, that added together give a palindrome (39193).

The spelling of 38743450 in words is "thirty-eight million, seven hundred forty-three thousand, four hundred fifty".