5397381 has 32 divisors (see below), whose sum is σ = 9244800. Its totient is φ = 3075840.

The previous prime is 5397377. The next prime is 5397391. The reversal of 5397381 is 1837935.

It is not a de Polignac number, because 5397381 - 2² = 5397377 is a prime.

It is a super-2 number, since 2×5397381² = 58263443318322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5397391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4515 + ... + 5583.

It is an arithmetic number, because the mean of its divisors is an integer number (288900).

Almost surely, 2^5397381 is an apocalyptic number.

5397381 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

5397381 is a deficient number, since it is larger than the sum of its proper divisors (3847419).

5397381 is a wasteful number, since it uses less digits than its factorization.

5397381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106 (or 1100 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 5397381 is about 2323.2264203043. The cubic root of 5397381 is about 175.4126967341.

It can be divided in two parts, 5397 and 381, that added together give a triangular number (5778 = T₁₀₇).

The spelling of 5397381 in words is "five million, three hundred ninety-seven thousand, three hundred eighty-one".