3429787 has 4 divisors (see below), whose sum is σ = 3447936. Its totient is φ = 3411640.

The previous prime is 3429781. The next prime is 3429791. The reversal of 3429787 is 7879243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7879243 = 19 ⋅414697.

It is a cyclic number.

It is not a de Polignac number, because 3429787 - 2³ = 3429779 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3429781) 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, 8788 + ... + 9169.

It is an arithmetic number, because the mean of its divisors is an integer number (861984).

Almost surely, 2^3429787 is an apocalyptic number.

3429787 is a deficient number, since it is larger than the sum of its proper divisors (18149).

3429787 is a wasteful number, since it uses less digits than its factorization.

3429787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18148.

The product of its digits is 84672, while the sum is 40.

The square root of 3429787 is about 1851.9684122576. The cubic root of 3429787 is about 150.8073065057.

The spelling of 3429787 in words is "three million, four hundred twenty-nine thousand, seven hundred eighty-seven".