406925 has 12 divisors (see below), whose sum is σ = 518196. Its totient is φ = 316800.

The previous prime is 406907. The next prime is 406951. The reversal of 406925 is 529604.

It can be written as a sum of positive squares in 6 ways, for example, as 44521 + 362404 = 211^2 + 602^2 .

It is not a de Polignac number, because 406925 - 2¹⁰ = 405901 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 406894 and 406903.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 406925.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 827 + ... + 1223.

It is an arithmetic number, because the mean of its divisors is an integer number (43183).

2⁴⁰⁶⁹²⁵ is an apocalyptic number.

It is an amenable number.

406925 is a deficient number, since it is larger than the sum of its proper divisors (111271).

406925 is a wasteful number, since it uses less digits than its factorization.

406925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448 (or 443 counting only the distinct ones).

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

The square root of 406925 is about 637.9067329947. The cubic root of 406925 is about 74.1033981892.

It can be divided in two parts, 406 and 925, that added together give a palindrome (1331).

The spelling of 406925 in words is "four hundred six thousand, nine hundred twenty-five".