3387429 has 12 divisors (see below), whose sum is σ = 4949100. Its totient is φ = 2232384.

The previous prime is 3387421. The next prime is 3387443. The reversal of 3387429 is 9247833.

It can be written as a sum of positive squares in 2 ways, for example, as 2340900 + 1046529 = 1530^2 + 1023^2 .

It is not a de Polignac number, because 3387429 - 2³ = 3387421 is a prime.

It is a super-2 number, since 2×3387429² = 22949350460082, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3387393 and 3387402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3387421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1314 + ... + 2915.

It is an arithmetic number, because the mean of its divisors is an integer number (412425).

Almost surely, 2^3387429 is an apocalyptic number.

It is an amenable number.

3387429 is a deficient number, since it is larger than the sum of its proper divisors (1561671).

3387429 is a wasteful number, since it uses less digits than its factorization.

3387429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4324 (or 4321 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 3387429 is about 1840.4969437627. The cubic root of 3387429 is about 150.1839077608.

The spelling of 3387429 in words is "three million, three hundred eighty-seven thousand, four hundred twenty-nine".