3402381 has 8 divisors (see below), whose sum is σ = 4587840. Its totient is φ = 2242592.

The previous prime is 3402379. The next prime is 3402383. The reversal of 3402381 is 1832043.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3402379) and next prime (3402383).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3402381 - 2¹ = 3402379 is a prime.

It is a super-2 number, since 2×3402381² = 23152392938322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3402383) 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 7 ways as a sum of consecutive naturals, for example, 6105 + ... + 6638.

It is an arithmetic number, because the mean of its divisors is an integer number (573480).

Almost surely, 2^3402381 is an apocalyptic number.

It is an amenable number.

3402381 is a deficient number, since it is larger than the sum of its proper divisors (1185459).

3402381 is a wasteful number, since it uses less digits than its factorization.

3402381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12835.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 3402381 is about 1844.5544177389. The cubic root of 3402381 is about 150.4045523794.

The spelling of 3402381 in words is "three million, four hundred two thousand, three hundred eighty-one".