4951540 has 48 divisors (see below), whose sum is σ = 11539584. Its totient is φ = 1769600.

The previous prime is 4951511. The next prime is 4951549. The reversal of 4951540 is 451594.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 4951499 and 4951508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4951549) 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 15 ways as a sum of consecutive naturals, for example, 15462 + ... + 15778.

It is an arithmetic number, because the mean of its divisors is an integer number (240408).

Almost surely, 2^4951540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4951540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5769792).

4951540 is an abundant number, since it is smaller than the sum of its proper divisors (6588044).

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

4951540 is a wasteful number, since it uses less digits than its factorization.

4951540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408 (or 406 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 4951540 is about 2225.2056084776. The cubic root of 4951540 is about 170.4433640288.

The spelling of 4951540 in words is "four million, nine hundred fifty-one thousand, five hundred forty".