464896321 has 2 divisors, whose sum is σ = 464896322. Its totient is φ = 464896320.

The previous prime is 464896319. The next prime is 464896387. The reversal of 464896321 is 123698464.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 464876721 + 19600 = 21561^2 + 140^2 .

It is a cyclic number.

It is not a de Polignac number, because 464896321 - 2¹ = 464896319 is a prime.

It is a super-2 number, since 2×464896321² = 432257178558670082, which contains 22 as substring.

Together with 464896319, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (464896301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232448160 + 232448161.

It is an arithmetic number, because the mean of its divisors is an integer number (232448161).

Almost surely, 2^464896321 is an apocalyptic number.

It is an amenable number.

464896321 is a deficient number, since it is larger than the sum of its proper divisors (1).

464896321 is an equidigital number, since it uses as much as digits as its factorization.

464896321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 43.

The square root of 464896321 is about 21561.4545195819. The cubic root of 464896321 is about 774.6735057611.

Subtracting from 464896321 its sum of digits (43), we obtain a triangular number (464896278 = T₃₀₄₉₂).

The spelling of 464896321 in words is "four hundred sixty-four million, eight hundred ninety-six thousand, three hundred twenty-one".