38348740 has 24 divisors (see below), whose sum is σ = 80720640. Its totient is φ = 15303648.

The previous prime is 38348729. The next prime is 38348741. The reversal of 38348740 is 4784383.

38348740 = T₁₃₆ + T₁₃₇ + ... + T₆₁₄.

It is a self number, because there is not a number n which added to its sum of digits gives 38348740.

It is not an unprimeable number, because it can be changed into a prime (38348741) 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 7 ways as a sum of consecutive naturals, for example, 7579 + ... + 11581.

It is an arithmetic number, because the mean of its divisors is an integer number (3363360).

Almost surely, 2^38348740 is an apocalyptic number.

It is an amenable number.

38348740 is an abundant number, since it is smaller than the sum of its proper divisors (42371900).

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

38348740 is a wasteful number, since it uses less digits than its factorization.

38348740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4491 (or 4489 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 38348740 is about 6192.6359492546. The cubic root of 38348740 is about 337.2228799732. Note that the first 3 decimals are identical.

The spelling of 38348740 in words is "thirty-eight million, three hundred forty-eight thousand, seven hundred forty".