3780242 has 4 divisors (see below), whose sum is σ = 5670366. Its totient is φ = 1890120.

The previous prime is 3780199. The next prime is 3780247. The reversal of 3780242 is 2420873.

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., 2337841 + 1442401 = 1529^2 + 1201^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3780247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 945059 + ... + 945062.

Almost surely, 2^3780242 is an apocalyptic number.

3780242 is a deficient number, since it is larger than the sum of its proper divisors (1890124).

3780242 is a wasteful number, since it uses less digits than its factorization.

3780242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1890123.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 3780242 is about 1944.2844442108. The cubic root of 3780242 is about 155.7781472798.

The spelling of 3780242 in words is "three million, seven hundred eighty thousand, two hundred forty-two".