4951947 has 64 divisors (see below), whose sum is σ = 9483264. Its totient is φ = 2211840.

The previous prime is 4951943. The next prime is 4951963. The reversal of 4951947 is 7491594.

It is not a de Polignac number, because 4951947 - 2² = 4951943 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4951943) 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 63 ways as a sum of consecutive naturals, for example, 51003 + ... + 51099.

It is an arithmetic number, because the mean of its divisors is an integer number (148176).

Almost surely, 2^4951947 is an apocalyptic number.

4951947 is a deficient number, since it is larger than the sum of its proper divisors (4531317).

4951947 is a wasteful number, since it uses less digits than its factorization.

4951947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148.

The product of its digits is 45360, while the sum is 39.

The square root of 4951947 is about 2225.2970588216. The cubic root of 4951947 is about 170.4480338587.

It can be divided in two parts, 495 and 1947, that added together give a palindrome (2442).

The spelling of 4951947 in words is "four million, nine hundred fifty-one thousand, nine hundred forty-seven".