400498 has 8 divisors (see below), whose sum is σ = 686592. Its totient is φ = 171636.

The previous prime is 400481. The next prime is 400523. The reversal of 400498 is 894004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14290 + ... + 14317.

It is an arithmetic number, because the mean of its divisors is an integer number (85824).

2⁴⁰⁰⁴⁹⁸ is an apocalyptic number.

400498 is a deficient number, since it is larger than the sum of its proper divisors (286094).

400498 is a wasteful number, since it uses less digits than its factorization.

400498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28616.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 400498 is about 632.8491131384. The cubic root of 400498 is about 73.7111947534.

It can be divided in two parts, 400 and 498, that added together give a palindrome (898).

The spelling of 400498 in words is "four hundred thousand, four hundred ninety-eight".