406498 has 4 divisors (see below), whose sum is σ = 609750. Its totient is φ = 203248.

The previous prime is 406481. The next prime is 406499. The reversal of 406498 is 894604.

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., 405769 + 729 = 637^2 + 27^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101623 + ... + 101626.

2⁴⁰⁶⁴⁹⁸ is an apocalyptic number.

406498 is a deficient number, since it is larger than the sum of its proper divisors (203252).

406498 is a wasteful number, since it uses less digits than its factorization.

406498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203251.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 406498 is about 637.5719567233. The cubic root of 406498 is about 74.0774693937.

The spelling of 406498 in words is "four hundred six thousand, four hundred ninety-eight".