39472087 has 2 divisors, whose sum is σ = 39472088. Its totient is φ = 39472086.

The previous prime is 39472073. The next prime is 39472109. The reversal of 39472087 is 78027493.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39472087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39472187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19736043 + 19736044.

It is an arithmetic number, because the mean of its divisors is an integer number (19736044).

Almost surely, 2^39472087 is an apocalyptic number.

39472087 is a deficient number, since it is larger than the sum of its proper divisors (1).

39472087 is an equidigital number, since it uses as much as digits as its factorization.

39472087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 39472087 is about 6282.6815134941. The cubic root of 39472087 is about 340.4839906423.

The spelling of 39472087 in words is "thirty-nine million, four hundred seventy-two thousand, eighty-seven".