405962 has 4 divisors (see below), whose sum is σ = 608946. Its totient is φ = 202980.

The previous prime is 405959. The next prime is 405967. The reversal of 405962 is 269504.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 383161 + 22801 = 619^2 + 151^2 .

It is an Ulam number.

It is a plaindrome in base 9.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 405962.

It is not an unprimeable number, because it can be changed into a prime (405967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101489 + ... + 101492.

2⁴⁰⁵⁹⁶² is an apocalyptic number.

405962 is a deficient number, since it is larger than the sum of its proper divisors (202984).

405962 is a wasteful number, since it uses less digits than its factorization.

405962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202983.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 405962 is about 637.1514733562. The cubic root of 405962 is about 74.0448960576.

The spelling of 405962 in words is "four hundred five thousand, nine hundred sixty-two".