39469999 has 2 divisors, whose sum is σ = 39470000. Its totient is φ = 39469998.

The previous prime is 39469993. The next prime is 39470021. The reversal of 39469999 is 99996493.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 39469999 - 2¹¹ = 39467951 is a prime.

39469999 is a modest number, since divided by 9999 gives 3946 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39469993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19734999 + 19735000.

It is an arithmetic number, because the mean of its divisors is an integer number (19735000).

Almost surely, 2^39469999 is an apocalyptic number.

39469999 is a deficient number, since it is larger than the sum of its proper divisors (1).

39469999 is an equidigital number, since it uses as much as digits as its factorization.

39469999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4251528, while the sum is 58.

The square root of 39469999 is about 6282.5153402121. The cubic root of 39469999 is about 340.4779868798.

The spelling of 39469999 in words is "thirty-nine million, four hundred sixty-nine thousand, nine hundred ninety-nine".