406949 has 4 divisors (see below), whose sum is σ = 411936. Its totient is φ = 401964.

The previous prime is 406907. The next prime is 406951. The reversal of 406949 is 949604.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-406949 is a prime.

It is a Duffinian number.

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 406949.

It is not an unprimeable number, because it can be changed into a prime (406969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2369 + ... + 2534.

It is an arithmetic number, because the mean of its divisors is an integer number (102984).

2⁴⁰⁶⁹⁴⁹ is an apocalyptic number.

It is an amenable number.

406949 is a deficient number, since it is larger than the sum of its proper divisors (4987).

406949 is an equidigital number, since it uses as much as digits as its factorization.

406949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4986.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 406949 is about 637.9255442448. The cubic root of 406949 is about 74.1048550068.

The spelling of 406949 in words is "four hundred six thousand, nine hundred forty-nine".