3780046 has 4 divisors (see below), whose sum is σ = 5670072. Its totient is φ = 1890022.

The previous prime is 3780043. The next prime is 3780053. The reversal of 3780046 is 6400873.

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

It is a junction number, because it is equal to n+sod(n) for n = 3779996 and 3780023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3780041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 945010 + ... + 945013.

It is an arithmetic number, because the mean of its divisors is an integer number (1417518).

Almost surely, 2^3780046 is an apocalyptic number.

3780046 is a deficient number, since it is larger than the sum of its proper divisors (1890026).

3780046 is a wasteful number, since it uses less digits than its factorization.

3780046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1890025.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 3780046 is about 1944.2340394099. The cubic root of 3780046 is about 155.7754549438.

The spelling of 3780046 in words is "three million, seven hundred eighty thousand, forty-six".