4945392 has 60 divisors (see below), whose sum is σ = 14092104. Its totient is φ = 1618560.

The previous prime is 4945373. The next prime is 4945393. The reversal of 4945392 is 2935494.

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 4⁴ + 9⁴ + 4⁷ + 5⁷ + 3¹⁴ + 9⁵ + 2¹¹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4945393) 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 11 ways as a sum of consecutive naturals, for example, 8503 + ... + 9065.

Almost surely, 2^4945392 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 4945392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7046052).

4945392 is an abundant number, since it is smaller than the sum of its proper divisors (9146712).

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

4945392 is a wasteful number, since it uses less digits than its factorization.

4945392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638 (or 629 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 4945392 is about 2223.8237340221. The cubic root of 4945392 is about 170.3727920587.

It can be divided in two parts, 494 and 5392, that added together give a triangular number (5886 = T₁₀₈).

The spelling of 4945392 in words is "four million, nine hundred forty-five thousand, three hundred ninety-two".