400462 has 4 divisors (see below), whose sum is σ = 600696. Its totient is φ = 200230.

The previous prime is 400457. The next prime is 400471. The reversal of 400462 is 264004.

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

It is a super-3 number, since 3×400462³ = 192666048694233384, which contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

400462 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100114 + ... + 100117.

It is an arithmetic number, because the mean of its divisors is an integer number (150174).

2⁴⁰⁰⁴⁶² is an apocalyptic number.

400462 is a deficient number, since it is larger than the sum of its proper divisors (200234).

400462 is a wasteful number, since it uses less digits than its factorization.

400462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200233.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 400462 is about 632.8206697004. The cubic root of 400462 is about 73.7089861010.

Adding to 400462 its reverse (264004), we get a palindrome (664466).

The spelling of 400462 in words is "four hundred thousand, four hundred sixty-two".