3480381 has 8 divisors (see below), whose sum is σ = 5156160. Its totient is φ = 2320236.

The previous prime is 3480353. The next prime is 3480403. The reversal of 3480381 is 1830843.

It is not a de Polignac number, because 3480381 - 2¹⁷ = 3349309 is a prime.

It is a super-2 number, since 2×3480381² = 24226103810322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 128903 = 3480381 / (3 + 4 + 8 + 0 + 3 + 8 + 1).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3480341) 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, 64425 + ... + 64478.

It is an arithmetic number, because the mean of its divisors is an integer number (644520).

Almost surely, 2^3480381 is an apocalyptic number.

It is an amenable number.

3480381 is a deficient number, since it is larger than the sum of its proper divisors (1675779).

3480381 is a wasteful number, since it uses less digits than its factorization.

3480381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128912 (or 128906 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 3480381 is about 1865.5779265418. The cubic root of 3480381 is about 151.5452271597.

The spelling of 3480381 in words is "three million, four hundred eighty thousand, three hundred eighty-one".