7934381 has 24 divisors (see below), whose sum is σ = 10365120. Its totient is φ = 5930496.

The previous prime is 7934369. The next prime is 7934383. The reversal of 7934381 is 1834397.

It is not a de Polignac number, because 7934381 - 2¹⁴ = 7917997 is a prime.

It is a super-2 number, since 2×7934381² = 125908803706322, which contains 22 as substring.

It is a d-powerful number, because it can be written as 7⁸ + 9⁴ + 3⁸ + 4⁴ + 3¹⁰ + 8⁷ + 1 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7934383) 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, 22301 + ... + 22653.

It is an arithmetic number, because the mean of its divisors is an integer number (431880).

Almost surely, 2^7934381 is an apocalyptic number.

It is an amenable number.

7934381 is a deficient number, since it is larger than the sum of its proper divisors (2430739).

7934381 is a wasteful number, since it uses less digits than its factorization.

7934381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405 (or 392 counting only the distinct ones).

The product of its digits is 18144, while the sum is 35.

The square root of 7934381 is about 2816.8033300179. The cubic root of 7934381 is about 199.4516730617.

The spelling of 7934381 in words is "seven million, nine hundred thirty-four thousand, three hundred eighty-one".