39350389 has 4 divisors (see below), whose sum is σ = 42377356. Its totient is φ = 36323424.

The previous prime is 39350369. The next prime is 39350411. The reversal of 39350389 is 98305393.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2079364 + 37271025 = 1442^2 + 6105^2 .

It is a cyclic number.

It is not a de Polignac number, because 39350389 - 2⁷ = 39350261 is a prime.

It is a super-2 number, since 2×39350389² = 3096906228902642, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39350369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1513464 + ... + 1513489.

It is an arithmetic number, because the mean of its divisors is an integer number (10594339).

Almost surely, 2^39350389 is an apocalyptic number.

It is an amenable number.

39350389 is a deficient number, since it is larger than the sum of its proper divisors (3026967).

39350389 is a wasteful number, since it uses less digits than its factorization.

39350389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3026966.

The product of its (nonzero) digits is 87480, while the sum is 40.

The square root of 39350389 is about 6272.9888410550. The cubic root of 39350389 is about 340.1337103852.

The spelling of 39350389 in words is "thirty-nine million, three hundred fifty thousand, three hundred eighty-nine".