3480047 has 4 divisors (see below), whose sum is σ = 3532056. Its totient is φ = 3428040.

The previous prime is 3480031. The next prime is 3480049. The reversal of 3480047 is 7400843.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7400843 = 491 ⋅15073.

It is a cyclic number.

It is not a de Polignac number, because 3480047 - 2⁴ = 3480031 is a prime.

It is a super-2 number, since 2×3480047² = 24221454244418, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3479998 and 3480025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3480049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25904 + ... + 26037.

It is an arithmetic number, because the mean of its divisors is an integer number (883014).

Almost surely, 2^3480047 is an apocalyptic number.

3480047 is a deficient number, since it is larger than the sum of its proper divisors (52009).

3480047 is an equidigital number, since it uses as much as digits as its factorization.

3480047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52008.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 3480047 is about 1865.4884078975. The cubic root of 3480047 is about 151.5403792494.

The spelling of 3480047 in words is "three million, four hundred eighty thousand, forty-seven".