3456787 has 4 divisors (see below), whose sum is σ = 3460896. Its totient is φ = 3452680.

The previous prime is 3456781. The next prime is 3456793. The reversal of 3456787 is 7876543.

3456787 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7876543 = 743 ⋅10601.

It is an interprime number because it is at equal distance from previous prime (3456781) and next prime (3456793).

It is a cyclic number.

It is not a de Polignac number, because 3456787 - 2¹¹ = 3454739 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3456781) 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 3 ways as a sum of consecutive naturals, for example, 283 + ... + 2644.

It is an arithmetic number, because the mean of its divisors is an integer number (865224).

Almost surely, 2^3456787 is an apocalyptic number.

3456787 is a deficient number, since it is larger than the sum of its proper divisors (4109).

3456787 is a wasteful number, since it uses less digits than its factorization.

3456787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4108.

The product of its digits is 141120, while the sum is 40.

The square root of 3456787 is about 1859.2436634288. The cubic root of 3456787 is about 151.2020014806.

The spelling of 3456787 in words is "three million, four hundred fifty-six thousand, seven hundred eighty-seven".