9449421 has 4 divisors (see below), whose sum is σ = 12599232. Its totient is φ = 6299612.

The previous prime is 9449417. The next prime is 9449437. The reversal of 9449421 is 1249449.

9449421 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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 9449421 - 2² = 9449417 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9449411) 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, 1574901 + ... + 1574906.

It is an arithmetic number, because the mean of its divisors is an integer number (3149808).

Almost surely, 2^9449421 is an apocalyptic number.

It is an amenable number.

9449421 is a deficient number, since it is larger than the sum of its proper divisors (3149811).

9449421 is a wasteful number, since it uses less digits than its factorization.

9449421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3149810.

The product of its digits is 10368, while the sum is 33.

The square root of 9449421 is about 3073.9910539883. The cubic root of 9449421 is about 211.4146440050.

It can be divided in two parts, 9449 and 421, that added together give a triangular number (9870 = T₁₄₀).

The spelling of 9449421 in words is "nine million, four hundred forty-nine thousand, four hundred twenty-one".