406497 has 16 divisors (see below), whose sum is σ = 667520. Its totient is φ = 214272.

The previous prime is 406481. The next prime is 406499. The reversal of 406497 is 794604.

It is not a de Polignac number, because 406497 - 2⁴ = 406481 is a prime.

It is a super-2 number, since 2×406497² = 330479622018, which contains 22 as substring.

It is an Ulam 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 in 15 ways as a sum of consecutive naturals, for example, 472 + ... + 1017.

It is an arithmetic number, because the mean of its divisors is an integer number (41720).

2⁴⁰⁶⁴⁹⁷ is an apocalyptic number.

It is an amenable number.

406497 is a deficient number, since it is larger than the sum of its proper divisors (261023).

406497 is a wasteful number, since it uses less digits than its factorization.

406497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 406497 is about 637.5711724976. The cubic root of 406497 is about 74.0774086493.

It can be divided in two parts, 406 and 497, that added together give a triangular number (903 = T₄₂).

The spelling of 406497 in words is "four hundred six thousand, four hundred ninety-seven".