3778488 has 160 divisors (see below), whose sum is σ = 13068000. Its totient is φ = 1016064.

The previous prime is 3778469. The next prime is 3778499. The reversal of 3778488 is 8848773.

It is a super-2 number, since 2×3778488² = 28553943132288, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an Ulam number.

Its product of digits (301056) is a multiple of the sum of its prime factors (56).

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 39 ways as a sum of consecutive naturals, for example, 222256 + ... + 222272.

It is an arithmetic number, because the mean of its divisors is an integer number (81675).

Almost surely, 2^3778488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3778488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6534000).

3778488 is an abundant number, since it is smaller than the sum of its proper divisors (9289512).

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

3778488 is a wasteful number, since it uses less digits than its factorization.

3778488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56 (or 29 counting only the distinct ones).

The product of its digits is 301056, while the sum is 45.

The square root of 3778488 is about 1943.8333261882. The cubic root of 3778488 is about 155.7540503092.

The spelling of 3778488 in words is "three million, seven hundred seventy-eight thousand, four hundred eighty-eight".