3477947 has 4 divisors (see below), whose sum is σ = 3794136. Its totient is φ = 3161760.

The previous prime is 3477917. The next prime is 3477959. The reversal of 3477947 is 7497743.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7497743 = 11 ⋅681613.

It is a cyclic number.

It is not a de Polignac number, because 3477947 - 2¹⁶ = 3412411 is a prime.

It is a super-2 number, since 2×3477947² = 24192230669618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3477917) 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, 158078 + ... + 158099.

It is an arithmetic number, because the mean of its divisors is an integer number (948534).

Almost surely, 2^3477947 is an apocalyptic number.

3477947 is a deficient number, since it is larger than the sum of its proper divisors (316189).

3477947 is a wasteful number, since it uses less digits than its factorization.

3477947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316188.

The product of its digits is 148176, while the sum is 41.

The square root of 3477947 is about 1864.9254676796. The cubic root of 3477947 is about 151.5098912675.

The spelling of 3477947 in words is "three million, four hundred seventy-seven thousand, nine hundred forty-seven".