3429427 has 4 divisors (see below), whose sum is σ = 3631176. Its totient is φ = 3227680.

The previous prime is 3429409. The next prime is 3429431. The reversal of 3429427 is 7249243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7249243 = 103 ⋅70381.

It is a cyclic number.

It is not a de Polignac number, because 3429427 - 2⁷ = 3429299 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 3¹³ + 4⁹ + 2³ + 9² + 4¹⁰ + 2¹⁹ + 7 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3429487) 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, 100849 + ... + 100882.

It is an arithmetic number, because the mean of its divisors is an integer number (907794).

Almost surely, 2^3429427 is an apocalyptic number.

3429427 is a deficient number, since it is larger than the sum of its proper divisors (201749).

3429427 is a wasteful number, since it uses less digits than its factorization.

3429427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201748.

The product of its digits is 12096, while the sum is 31.

The square root of 3429427 is about 1851.8712158247. The cubic root of 3429427 is about 150.8020299361.

The spelling of 3429427 in words is "three million, four hundred twenty-nine thousand, four hundred twenty-seven".