3711990 has 16 divisors (see below), whose sum is σ = 8908848. Its totient is φ = 989856.

The previous prime is 3711989. The next prime is 3712019. The reversal of 3711990 is 991173.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 123733 = 3711990 / (3 + 7 + 1 + 1 + 9 + 9 + 0).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61837 + ... + 61896.

It is an arithmetic number, because the mean of its divisors is an integer number (556803).

Almost surely, 2^3711990 is an apocalyptic number.

3711990 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3711990 is an abundant number, since it is smaller than the sum of its proper divisors (5196858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3711990 is a wasteful number, since it uses less digits than its factorization.

3711990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123743.

The product of its (nonzero) digits is 1701, while the sum is 30.

The square root of 3711990 is about 1926.6525374338. The cubic root of 3711990 is about 154.8349265849.

The spelling of 3711990 in words is "three million, seven hundred eleven thousand, nine hundred ninety".