3378739 has 16 divisors (see below), whose sum is σ = 4209408. Its totient is φ = 2640672.

The previous prime is 3378731. The next prime is 3378757. The reversal of 3378739 is 9378733.

It is a cyclic number.

It is not a de Polignac number, because 3378739 - 2³ = 3378731 is a prime.

It is a super-2 number, since 2×3378739² = 22831754460242, which contains 22 as substring.

3378739 is a lucky number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (3378731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9564 + ... + 9910.

It is an arithmetic number, because the mean of its divisors is an integer number (263088).

Almost surely, 2^3378739 is an apocalyptic number.

3378739 is a deficient number, since it is larger than the sum of its proper divisors (830669).

3378739 is a wasteful number, since it uses less digits than its factorization.

3378739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474.

The product of its digits is 95256, while the sum is 40.

The square root of 3378739 is about 1838.1346523038. The cubic root of 3378739 is about 150.0553721496.

The spelling of 3378739 in words is "three million, three hundred seventy-eight thousand, seven hundred thirty-nine".