3480405 has 16 divisors (see below), whose sum is σ = 5720064. Its totient is φ = 1805760.

The previous prime is 3480403. The next prime is 3480409. The reversal of 3480405 is 5040843.

It is a happy number.

It is not a de Polignac number, because 3480405 - 2¹ = 3480403 is a prime.

It is a super-2 number, since 2×3480405² = 24226437928050, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3480403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2581 + ... + 3690.

It is an arithmetic number, because the mean of its divisors is an integer number (357504).

Almost surely, 2^3480405 is an apocalyptic number.

It is an amenable number.

3480405 is a deficient number, since it is larger than the sum of its proper divisors (2239659).

3480405 is a wasteful number, since it uses less digits than its factorization.

3480405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6316.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 3480405 is about 1865.5843588538. The cubic root of 3480405 is about 151.5455755006.

The spelling of 3480405 in words is "three million, four hundred eighty thousand, four hundred five".