4649381 has 24 divisors (see below), whose sum is σ = 5733504. Its totient is φ = 3724160.

The previous prime is 4649371. The next prime is 4649399. The reversal of 4649381 is 1839464.

4649381 is nontrivially palindromic in base 9.

It is not a de Polignac number, because 4649381 - 2¹⁴ = 4632997 is a prime.

It is a super-2 number, since 2×4649381² = 43233487366322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4649311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98900 + ... + 98946.

It is an arithmetic number, because the mean of its divisors is an integer number (238896).

Almost surely, 2^4649381 is an apocalyptic number.

It is an amenable number.

4649381 is a deficient number, since it is larger than the sum of its proper divisors (1084123).

4649381 is a wasteful number, since it uses less digits than its factorization.

4649381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121 (or 98 counting only the distinct ones).

The product of its digits is 20736, while the sum is 35.

The square root of 4649381 is about 2156.2423333197. The cubic root of 4649381 is about 166.9033468470.

The spelling of 4649381 in words is "four million, six hundred forty-nine thousand, three hundred eighty-one".