3774978 has 32 divisors (see below), whose sum is σ = 8553600. Its totient is φ = 1233648.

The previous prime is 3774973. The next prime is 3774983. The reversal of 3774978 is 8794773.

It is an interprime number because it is at equal distance from previous prime (3774973) and next prime (3774983).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3774973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2203 + ... + 3521.

It is an arithmetic number, because the mean of its divisors is an integer number (267300).

Almost surely, 2^3774978 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3774978, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4276800).

3774978 is an abundant number, since it is smaller than the sum of its proper divisors (4778622).

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

3774978 is a wasteful number, since it uses less digits than its factorization.

3774978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1383 (or 1377 counting only the distinct ones).

The product of its digits is 296352, while the sum is 45.

The square root of 3774978 is about 1942.9302612292. The cubic root of 3774978 is about 155.7058064890.

The spelling of 3774978 in words is "three million, seven hundred seventy-four thousand, nine hundred seventy-eight".