4971492 has 36 divisors (see below), whose sum is σ = 12648636. Its totient is φ = 1646400.

The previous prime is 4971443. The next prime is 4971493. The reversal of 4971492 is 2941794.

It can be written as a sum of positive squares in 2 ways, for example, as 4639716 + 331776 = 2154^2 + 576^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a d-powerful number, because it can be written as 4⁶ + 9³ + 7⁶ + 1 + 4⁸ + 9⁷ + 2⁹ .

It is not an unprimeable number, because it can be changed into a prime (4971493) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6742 + ... + 7442.

It is an arithmetic number, because the mean of its divisors is an integer number (351351).

Almost surely, 2^4971492 is an apocalyptic number.

It is an amenable number.

4971492 is an abundant number, since it is smaller than the sum of its proper divisors (7677144).

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

4971492 is a wasteful number, since it uses less digits than its factorization.

4971492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908 (or 903 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 4971492 is about 2229.6842825835. The cubic root of 4971492 is about 170.6719884273.

The spelling of 4971492 in words is "four million, nine hundred seventy-one thousand, four hundred ninety-two".