3420328049 has 4 divisors (see below), whose sum is σ = 3420742260. Its totient is φ = 3419913840.

The previous prime is 3420328031. The next prime is 3420328061. The reversal of 3420328049 is 9408230243.

It is a happy number.

3420328049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9408230243 = 1637 ⋅5747239.

It can be written as a sum of positive squares in 2 ways, for example, as 1525293025 + 1895035024 = 39055^2 + 43532^2 .

It is a cyclic number.

It is not a de Polignac number, because 3420328049 - 2⁸ = 3420327793 is a prime.

It is a super-2 number, since 2×3420328049² = 23397287925552292802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3420328019) 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, 194462 + ... + 211319.

It is an arithmetic number, because the mean of its divisors is an integer number (855185565).

Almost surely, 2^3420328049 is an apocalyptic number.

It is an amenable number.

3420328049 is a deficient number, since it is larger than the sum of its proper divisors (414211).

3420328049 is an equidigital number, since it uses as much as digits as its factorization.

3420328049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414210.

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 3420328049 is about 58483.5707613685. The cubic root of 3420328049 is about 1506.6854256405.

The spelling of 3420328049 in words is "three billion, four hundred twenty million, three hundred twenty-eight thousand, forty-nine".