48379309 has 18 divisors (see below), whose sum is σ = 54632942. Its totient is φ = 42807600.

The previous prime is 48379307. The next prime is 48379321. The reversal of 48379309 is 90397384.

It can be written as a sum of positive squares in only one way, i.e., 26728900 + 21650409 = 5170^2 + 4653^2 .

It is not a de Polignac number, because 48379309 - 2¹ = 48379307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48379307) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 267199 + ... + 267379.

Almost surely, 2^48379309 is an apocalyptic number.

It is an amenable number.

48379309 is a deficient number, since it is larger than the sum of its proper divisors (6253633).

48379309 is a wasteful number, since it uses less digits than its factorization.

48379309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297 (or 239 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 48379309 is about 6955.5236323371. The cubic root of 48379309 is about 364.3788999227.

The spelling of 48379309 in words is "forty-eight million, three hundred seventy-nine thousand, three hundred nine".