39421153 has 4 divisors (see below), whose sum is σ = 40337968. Its totient is φ = 38504340.

The previous prime is 39421141. The next prime is 39421163. The reversal of 39421153 is 35112493.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39421153 is a prime.

It is a super-4 number, since 4×39421153⁴ (a number of 31 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39421133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 458343 + ... + 458428.

It is an arithmetic number, because the mean of its divisors is an integer number (10084492).

Almost surely, 2^39421153 is an apocalyptic number.

It is an amenable number.

39421153 is a deficient number, since it is larger than the sum of its proper divisors (916815).

39421153 is an equidigital number, since it uses as much as digits as its factorization.

39421153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916814.

The product of its digits is 3240, while the sum is 28.

The square root of 39421153 is about 6278.6266810506. The cubic root of 39421153 is about 340.3374763365.

The spelling of 39421153 in words is "thirty-nine million, four hundred twenty-one thousand, one hundred fifty-three".