405820952 has 32 divisors (see below), whose sum is σ = 786693600. Its totient is φ = 196128000.

The previous prime is 405820897. The next prime is 405820963. The reversal of 405820952 is 259028504.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30077 + ... + 41427.

It is an arithmetic number, because the mean of its divisors is an integer number (24584175).

Almost surely, 2^405820952 is an apocalyptic number.

It is an amenable number.

405820952 is a deficient number, since it is larger than the sum of its proper divisors (380872648).

405820952 is a wasteful number, since it uses less digits than its factorization.

405820952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11507 (or 11503 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 405820952 is about 20144.9981881359. The cubic root of 405820952 is about 740.3631964379.

The spelling of 405820952 in words is "four hundred five million, eight hundred twenty thousand, nine hundred fifty-two".