472949 has 4 divisors (see below), whose sum is σ = 493536. Its totient is φ = 452364.

The previous prime is 472939. The next prime is 472963. The reversal of 472949 is 949274.

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 de Polignac number, because none of the positive numbers 2^k-472949 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a Curzon 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 472949.

It is not an unprimeable number, because it can be changed into a prime (472909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10259 + ... + 10304.

It is an arithmetic number, because the mean of its divisors is an integer number (123384).

2⁴⁷²⁹⁴⁹ is an apocalyptic number.

It is an amenable number.

472949 is a deficient number, since it is larger than the sum of its proper divisors (20587).

472949 is a wasteful number, since it uses less digits than its factorization.

472949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20586.

The product of its digits is 18144, while the sum is 35.

The square root of 472949 is about 687.7128761336. The cubic root of 472949 is about 77.9120749325.

The spelling of 472949 in words is "four hundred seventy-two thousand, nine hundred forty-nine".