8390461 has 4 divisors (see below), whose sum is σ = 8585632. Its totient is φ = 8195292.

The previous prime is 8390443. The next prime is 8390467. The reversal of 8390461 is 1640938.

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 8390461 - 2⁹ = 8389949 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 (8390467) 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, 97521 + ... + 97606.

It is an arithmetic number, because the mean of its divisors is an integer number (2146408).

Almost surely, 2^8390461 is an apocalyptic number.

It is an amenable number.

8390461 is a deficient number, since it is larger than the sum of its proper divisors (195171).

8390461 is a wasteful number, since it uses less digits than its factorization.

8390461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195170.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 8390461 is about 2896.6292479363. The cubic root of 8390461 is about 203.2022945599.

The spelling of 8390461 in words is "eight million, three hundred ninety thousand, four hundred sixty-one".