3780346 has 4 divisors (see below), whose sum is σ = 5670522. Its totient is φ = 1890172.

The previous prime is 3780319. The next prime is 3780367. The reversal of 3780346 is 6430873.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3629025 + 151321 = 1905^2 + 389^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 945085 + ... + 945088.

Almost surely, 2^3780346 is an apocalyptic number.

3780346 is a deficient number, since it is larger than the sum of its proper divisors (1890176).

3780346 is a wasteful number, since it uses less digits than its factorization.

3780346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1890175.

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

The square root of 3780346 is about 1944.3111890847. The cubic root of 3780346 is about 155.7795758284.

The spelling of 3780346 in words is "three million, seven hundred eighty thousand, three hundred forty-six".