39828901 has 4 divisors (see below), whose sum is σ = 45518752. Its totient is φ = 34139052.

The previous prime is 39828889. The next prime is 39828907. The reversal of 39828901 is 10982893.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10982893 = 19 ⋅578047.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39828901 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 (39828907) 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 3 ways as a sum of consecutive naturals, for example, 2844915 + ... + 2844928.

It is an arithmetic number, because the mean of its divisors is an integer number (11379688).

Almost surely, 2^39828901 is an apocalyptic number.

It is an amenable number.

39828901 is a deficient number, since it is larger than the sum of its proper divisors (5689851).

39828901 is an equidigital number, since it uses as much as digits as its factorization.

39828901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5689850.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 39828901 is about 6311.0142607983. The cubic root of 39828901 is about 341.5068671192.

The spelling of 39828901 in words is "thirty-nine million, eight hundred twenty-eight thousand, nine hundred one".