462879409 has 2 divisors, whose sum is σ = 462879410. Its totient is φ = 462879408.

The previous prime is 462879397. The next prime is 462879449. The reversal of 462879409 is 904978264.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 364810000 + 98069409 = 19100^2 + 9903^2 .

It is a cyclic number.

It is not a de Polignac number, because 462879409 - 2¹⁷ = 462748337 is a prime.

It is a super-3 number, since 3×462879409³ (a number of 27 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (462879449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 231439704 + 231439705.

It is an arithmetic number, because the mean of its divisors is an integer number (231439705).

Almost surely, 2^462879409 is an apocalyptic number.

It is an amenable number.

462879409 is a deficient number, since it is larger than the sum of its proper divisors (1).

462879409 is an equidigital number, since it uses as much as digits as its factorization.

462879409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 49.

The square root of 462879409 is about 21514.6324393423. The cubic root of 462879409 is about 773.5515973585.

It can be divided in two parts, 46287 and 9409, that added together give a square (55696 = 236²).

The spelling of 462879409 in words is "four hundred sixty-two million, eight hundred seventy-nine thousand, four hundred nine".