38672929 has 2 divisors, whose sum is σ = 38672930. Its totient is φ = 38672928.

The previous prime is 38672927. The next prime is 38672951. The reversal of 38672929 is 92927683.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35378704 + 3294225 = 5948^2 + 1815^2 .

It is a cyclic number.

It is not a de Polignac number, because 38672929 - 2¹ = 38672927 is a prime.

Together with 38672927, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (38672927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19336464 + 19336465.

It is an arithmetic number, because the mean of its divisors is an integer number (19336465).

Almost surely, 2^38672929 is an apocalyptic number.

It is an amenable number.

38672929 is a deficient number, since it is larger than the sum of its proper divisors (1).

38672929 is an equidigital number, since it uses as much as digits as its factorization.

38672929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 46.

The square root of 38672929 is about 6218.7562261275. The cubic root of 38672929 is about 338.1704758417.

It can be divided in two parts, 38672 and 929, that added together give a square (39601 = 199²).

The spelling of 38672929 in words is "thirty-eight million, six hundred seventy-two thousand, nine hundred twenty-nine".