3774991 has 8 divisors (see below), whose sum is σ = 4155984. Its totient is φ = 3400320.

The previous prime is 3774989. The next prime is 3775007. The reversal of 3774991 is 1994773.

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

It is not a de Polignac number, because 3774991 - 2¹ = 3774989 is a prime.

It is a Duffinian number.

3774991 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3774191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276 + ... + 2761.

It is an arithmetic number, because the mean of its divisors is an integer number (519498).

Almost surely, 2^3774991 is an apocalyptic number.

3774991 is a deficient number, since it is larger than the sum of its proper divisors (380993).

3774991 is a wasteful number, since it uses less digits than its factorization.

3774991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3161.

The product of its digits is 47628, while the sum is 40.

The square root of 3774991 is about 1942.9336066886. The cubic root of 3774991 is about 155.7059852249.

The spelling of 3774991 in words is "three million, seven hundred seventy-four thousand, nine hundred ninety-one".