39478959 has 12 divisors (see below), whose sum is σ = 61411896. Its totient is φ = 24294672.

The previous prime is 39478949. The next prime is 39478969. The reversal of 39478959 is 95987493.

It is an interprime number because it is at equal distance from previous prime (39478949) and next prime (39478969).

It is not a de Polignac number, because 39478959 - 2¹² = 39474863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39478909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168597 + ... + 168830.

It is an arithmetic number, because the mean of its divisors is an integer number (5117658).

Almost surely, 2^39478959 is an apocalyptic number.

39478959 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

39478959 is a deficient number, since it is larger than the sum of its proper divisors (21932937).

39478959 is a wasteful number, since it uses less digits than its factorization.

39478959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337446 (or 337443 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 54.

The square root of 39478959 is about 6283.2283899282. The cubic root of 39478959 is about 340.5037486569.

The spelling of 39478959 in words is "thirty-nine million, four hundred seventy-eight thousand, nine hundred fifty-nine".