3378129 has 4 divisors (see below), whose sum is σ = 4504176. Its totient is φ = 2252084.

The previous prime is 3378127. The next prime is 3378131. The reversal of 3378129 is 9218733.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9218733 = 3 ⋅3072911.

It is an interprime number because it is at equal distance from previous prime (3378127) and next prime (3378131).

It is a cyclic number.

It is not a de Polignac number, because 3378129 - 2¹ = 3378127 is a prime.

It is a super-2 number, since 2×3378129² = 22823511081282, which contains 22 as substring.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 3378129.

It is not an unprimeable number, because it can be changed into a prime (3378127) 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, 563019 + ... + 563024.

It is an arithmetic number, because the mean of its divisors is an integer number (1126044).

Almost surely, 2^3378129 is an apocalyptic number.

It is an amenable number.

3378129 is a deficient number, since it is larger than the sum of its proper divisors (1126047).

3378129 is a wasteful number, since it uses less digits than its factorization.

3378129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126046.

The product of its digits is 9072, while the sum is 33.

The square root of 3378129 is about 1837.9687157294. The cubic root of 3378129 is about 150.0463412373.

The spelling of 3378129 in words is "three million, three hundred seventy-eight thousand, one hundred twenty-nine".