464909 has 2 divisors, whose sum is σ = 464910. Its totient is φ = 464908.

The previous prime is 464897. The next prime is 464917. The reversal of 464909 is 909464.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 302500 + 162409 = 550^2 + 403^2 .

It is a cyclic number.

It is not a de Polignac number, because 464909 - 2¹² = 460813 is a prime.

It is a super-2 number, since 2×464909² = 432280756562, which contains 22 as substring.

It is a Chen prime.

It is a nialpdrome in base 9.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (464939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232454 + 232455.

It is an arithmetic number, because the mean of its divisors is an integer number (232455).

2⁴⁶⁴⁹⁰⁹ is an apocalyptic number.

It is an amenable number.

464909 is a deficient number, since it is larger than the sum of its proper divisors (1).

464909 is an equidigital number, since it uses as much as digits as its factorization.

464909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 464909 is about 681.8423571472. The cubic root of 464909 is about 77.4680548189.

The spelling of 464909 in words is "four hundred sixty-four thousand, nine hundred nine".