4971631 has 8 divisors (see below), whose sum is σ = 5699360. Its totient is φ = 4248288.

The previous prime is 4971587. The next prime is 4971643. The reversal of 4971631 is 1361794.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4971631 - 2¹⁷ = 4840559 is a prime.

It is a super-2 number, since 2×4971631² = 49434229600322, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4971593 and 4971602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4971671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1885 + ... + 3673.

It is an arithmetic number, because the mean of its divisors is an integer number (712420).

Almost surely, 2^4971631 is an apocalyptic number.

4971631 is a deficient number, since it is larger than the sum of its proper divisors (727729).

4971631 is a wasteful number, since it uses less digits than its factorization.

4971631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2193.

The product of its digits is 4536, while the sum is 31.

The square root of 4971631 is about 2229.7154526979. The cubic root of 4971631 is about 170.6735790420.

The spelling of 4971631 in words is "four million, nine hundred seventy-one thousand, six hundred thirty-one".