3750978 has 64 divisors (see below), whose sum is σ = 9787392. Its totient is φ = 929280.

The previous prime is 3750977. The next prime is 3750979. The reversal of 3750978 is 8790573.

3750978 is nontrivially palindromic in base 13.

It is an interprime number because it is at equal distance from previous prime (3750977) and next prime (3750979).

It is not an unprimeable number, because it can be changed into a prime (3750977) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10450 + ... + 10802.

It is an arithmetic number, because the mean of its divisors is an integer number (152928).

Almost surely, 2^3750978 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3750978, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4893696).

3750978 is an abundant number, since it is smaller than the sum of its proper divisors (6036414).

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

3750978 is a wasteful number, since it uses less digits than its factorization.

3750978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399.

The product of its (nonzero) digits is 52920, while the sum is 39.

The square root of 3750978 is about 1936.7441751558. The cubic root of 3750978 is about 155.3751302277.

It can be divided in two parts, 37 and 50978, that added together give a palindrome (51015).

The spelling of 3750978 in words is "three million, seven hundred fifty thousand, nine hundred seventy-eight".