5907921 has 4 divisors (see below), whose sum is σ = 7877232. Its totient is φ = 3938612.

The previous prime is 5907907. The next prime is 5907943. The reversal of 5907921 is 1297095.

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 not a de Polignac number, because 5907921 - 2⁹ = 5907409 is a prime.

It is an Ulam number.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (5907961) 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, 984651 + ... + 984656.

It is an arithmetic number, because the mean of its divisors is an integer number (1969308).

Almost surely, 2^5907921 is an apocalyptic number.

It is an amenable number.

5907921 is a deficient number, since it is larger than the sum of its proper divisors (1969311).

5907921 is a wasteful number, since it uses less digits than its factorization.

5907921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1969310.

The product of its (nonzero) digits is 5670, while the sum is 33.

The square root of 5907921 is about 2430.6215254539. The cubic root of 5907921 is about 180.7777151802. Note that the first 4 decimals are identical.

The spelling of 5907921 in words is "five million, nine hundred seven thousand, nine hundred twenty-one".