3761818 has 4 divisors (see below), whose sum is σ = 5642730. Its totient is φ = 1880908.

The previous prime is 3761801. The next prime is 3761831. The reversal of 3761818 is 8181673.

3761818 is an esthetic number in base 6, because in such base its adjacent digits differ by 1.

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., 2845969 + 915849 = 1687^2 + 957^2 .

3761818 is a modest number, since divided by 1818 gives 376 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 940453 + ... + 940456.

Almost surely, 2^3761818 is an apocalyptic number.

3761818 is a deficient number, since it is larger than the sum of its proper divisors (1880912).

3761818 is a wasteful number, since it uses less digits than its factorization.

3761818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1880911.

The product of its digits is 8064, while the sum is 34.

The square root of 3761818 is about 1939.5406672715. The cubic root of 3761818 is about 155.5246598126.

It can be divided in two parts, 37618 and 18, that added together give a square (37636 = 194²).

The spelling of 3761818 in words is "three million, seven hundred sixty-one thousand, eight hundred eighteen".