3780826 has 8 divisors (see below), whose sum is σ = 6481440. Its totient is φ = 1620348.

The previous prime is 3780823. The next prime is 3780839. The reversal of 3780826 is 6280873.

It is a happy number.

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

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3780791 and 3780800.

It is not an unprimeable number, because it can be changed into a prime (3780823) 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, 135016 + ... + 135043.

It is an arithmetic number, because the mean of its divisors is an integer number (810180).

Almost surely, 2^3780826 is an apocalyptic number.

3780826 is a deficient number, since it is larger than the sum of its proper divisors (2700614).

3780826 is a wasteful number, since it uses less digits than its factorization.

3780826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270068.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 3780826 is about 1944.4346221974. The cubic root of 3780826 is about 155.7861687903.

The spelling of 3780826 in words is "three million, seven hundred eighty thousand, eight hundred twenty-six".