4971378 has 48 divisors (see below), whose sum is σ = 10963584. Its totient is φ = 1501440.

The previous prime is 4971341. The next prime is 4971397. The reversal of 4971378 is 8731794.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

Its product of digits (42336) is a multiple of the sum of its prime factors (147).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81468 + ... + 81528.

It is an arithmetic number, because the mean of its divisors is an integer number (228408).

Almost surely, 2^4971378 is an apocalyptic number.

4971378 is an abundant number, since it is smaller than the sum of its proper divisors (5992206).

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

4971378 is a wasteful number, since it uses less digits than its factorization.

4971378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 130 counting only the distinct ones).

The product of its digits is 42336, while the sum is 39.

The square root of 4971378 is about 2229.6587182795. The cubic root of 4971378 is about 170.6706838722.

The spelling of 4971378 in words is "four million, nine hundred seventy-one thousand, three hundred seventy-eight".