4929381 has 6 divisors (see below), whose sum is σ = 7120230. Its totient is φ = 3286248.

The previous prime is 4929377. The next prime is 4929401. The reversal of 4929381 is 1839294.

4929381 is a `hidden beast` number, since 492 + 93 + 81 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2873025 + 2056356 = 1695^2 + 1434^2 .

It is not a de Polignac number, because 4929381 - 2² = 4929377 is a prime.

It is a super-2 number, since 2×4929381² = 48597594086322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4929361) 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 5 ways as a sum of consecutive naturals, for example, 273846 + ... + 273863.

It is an arithmetic number, because the mean of its divisors is an integer number (1186705).

Almost surely, 2^4929381 is an apocalyptic number.

It is an amenable number.

4929381 is a deficient number, since it is larger than the sum of its proper divisors (2190849).

4929381 is a wasteful number, since it uses less digits than its factorization.

4929381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547715 (or 547712 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 4929381 is about 2220.2209349522. The cubic root of 4929381 is about 170.1887292701.

The spelling of 4929381 in words is "four million, nine hundred twenty-nine thousand, three hundred eighty-one".