39401147 has 2 divisors, whose sum is σ = 39401148. Its totient is φ = 39401146.

The previous prime is 39401129. The next prime is 39401149. The reversal of 39401147 is 74110493.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 39401147 - 2⁶ = 39401083 is a prime.

Together with 39401149, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (39401149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19700573 + 19700574.

It is an arithmetic number, because the mean of its divisors is an integer number (19700574).

Almost surely, 2^39401147 is an apocalyptic number.

39401147 is a deficient number, since it is larger than the sum of its proper divisors (1).

39401147 is an equidigital number, since it uses as much as digits as its factorization.

39401147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 39401147 is about 6277.0332960723. The cubic root of 39401147 is about 340.2798935147.

The spelling of 39401147 in words is "thirty-nine million, four hundred one thousand, one hundred forty-seven".