408669952 has 18 divisors (see below), whose sum is σ = 815744048. Its totient is φ = 204334848.

The previous prime is 408669949. The next prime is 408669959. The reversal of 408669952 is 259966804.

It is a super-2 number, since 2×408669952² = 334022259335364608, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 408669896 and 408669905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408669959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 797928 + ... + 798439.

Almost surely, 2^408669952 is an apocalyptic number.

It is an amenable number.

408669952 is a deficient number, since it is larger than the sum of its proper divisors (407074096).

408669952 is an equidigital number, since it uses as much as digits as its factorization.

408669952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596383 (or 1596369 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 49.

The square root of 408669952 is about 20215.5868576700. The cubic root of 408669952 is about 742.0916909961.

The spelling of 408669952 in words is "four hundred eight million, six hundred sixty-nine thousand, nine hundred fifty-two".