38694739 has 2 divisors, whose sum is σ = 38694740. Its totient is φ = 38694738.

The previous prime is 38694713. The next prime is 38694743. The reversal of 38694739 is 93749683.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38694739 - 2⁵ = 38694707 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38694692 and 38694701.

It is not a weakly prime, because it can be changed into another prime (38694709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19347369 + 19347370.

It is an arithmetic number, because the mean of its divisors is an integer number (19347370).

Almost surely, 2^38694739 is an apocalyptic number.

38694739 is a deficient number, since it is larger than the sum of its proper divisors (1).

38694739 is an equidigital number, since it uses as much as digits as its factorization.

38694739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 979776, while the sum is 49.

The square root of 38694739 is about 6220.5095450453. The cubic root of 38694739 is about 338.2340354789.

The spelling of 38694739 in words is "thirty-eight million, six hundred ninety-four thousand, seven hundred thirty-nine".