39450489 has 32 divisors (see below), whose sum is σ = 60520320. Its totient is φ = 22643712.

The previous prime is 39450461. The next prime is 39450529. The reversal of 39450489 is 98405493.

It is not a de Polignac number, because 39450489 - 2⁸ = 39450233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 39450489.

It is not an unprimeable number, because it can be changed into a prime (39450449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103902 + ... + 104280.

It is an arithmetic number, because the mean of its divisors is an integer number (1891260).

Almost surely, 2^39450489 is an apocalyptic number.

39450489 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

39450489 is a deficient number, since it is larger than the sum of its proper divisors (21069831).

39450489 is a wasteful number, since it uses less digits than its factorization.

39450489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 39450489 is about 6280.9624262528. The cubic root of 39450489 is about 340.4218782699.

The spelling of 39450489 in words is "thirty-nine million, four hundred fifty thousand, four hundred eighty-nine".