3780213 has 8 divisors (see below), whose sum is σ = 5060928. Its totient is φ = 2509824.

The previous prime is 3780199. The next prime is 3780247. The reversal of 3780213 is 3120873.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3780213 - 2⁵ = 3780181 is a prime.

It is an Ulam number.

3780213 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3780113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1681 + ... + 3222.

It is an arithmetic number, because the mean of its divisors is an integer number (632616).

Almost surely, 2^3780213 is an apocalyptic number.

It is an amenable number.

3780213 is a deficient number, since it is larger than the sum of its proper divisors (1280715).

3780213 is a wasteful number, since it uses less digits than its factorization.

3780213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5163.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 3780213 is about 1944.2769864399. The cubic root of 3780213 is about 155.7777489298. Note that the first 4 decimals are identical.

It can be divided in two parts, 3780 and 213, that added together give a palindrome (3993).

The spelling of 3780213 in words is "three million, seven hundred eighty thousand, two hundred thirteen".