38937434 has 4 divisors (see below), whose sum is σ = 58406154. Its totient is φ = 19468716.

The previous prime is 38937421. The next prime is 38937439. The reversal of 38937434 is 43473983.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43473983 = 7 ⋅6210569.

It can be written as a sum of positive squares in only one way, i.e., 31080625 + 7856809 = 5575^2 + 2803^2 .

It is a super-2 number, since 2×38937434² = 3032247533008712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38937391 and 38937400.

It is not an unprimeable number, because it can be changed into a prime (38937439) 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 as a sum of consecutive naturals, namely, 9734357 + ... + 9734360.

Almost surely, 2^38937434 is an apocalyptic number.

38937434 is a deficient number, since it is larger than the sum of its proper divisors (19468720).

38937434 is a wasteful number, since it uses less digits than its factorization.

38937434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19468719.

The product of its digits is 217728, while the sum is 41.

The square root of 38937434 is about 6239.9866987038. The cubic root of 38937434 is about 338.9397014833.

The spelling of 38937434 in words is "thirty-eight million, nine hundred thirty-seven thousand, four hundred thirty-four".