4971640 has 16 divisors (see below), whose sum is σ = 11186280. Its totient is φ = 1988640.

The previous prime is 4971587. The next prime is 4971643. The reversal of 4971640 is 461794.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4971643) 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, 62106 + ... + 62185.

Almost surely, 2^4971640 is an apocalyptic number.

4971640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4971640 is an abundant number, since it is smaller than the sum of its proper divisors (6214640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4971640 is a wasteful number, since it uses less digits than its factorization.

4971640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124302 (or 124298 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 4971640 is about 2229.7174708918. The cubic root of 4971640 is about 170.6736820304.

The spelling of 4971640 in words is "four million, nine hundred seventy-one thousand, six hundred forty".