3547487 has 4 divisors (see below), whose sum is σ = 3552096. Its totient is φ = 3542880.

The previous prime is 3547469. The next prime is 3547499. The reversal of 3547487 is 7847453.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7847453 = 173 ⋅45361.

It is a cyclic number.

It is not a de Polignac number, because 3547487 - 2¹² = 3543391 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3547487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3547417) 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, 839 + ... + 2792.

It is an arithmetic number, because the mean of its divisors is an integer number (888024).

Almost surely, 2^3547487 is an apocalyptic number.

3547487 is a deficient number, since it is larger than the sum of its proper divisors (4609).

3547487 is an equidigital number, since it uses as much as digits as its factorization.

3547487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4608.

The product of its digits is 94080, while the sum is 38.

The square root of 3547487 is about 1883.4773691234. The cubic root of 3547487 is about 152.5130258514.

It can be divided in two parts, 3 and 547487, that multiplied together give a palindrome (1642461).

The spelling of 3547487 in words is "three million, five hundred forty-seven thousand, four hundred eighty-seven".