3978598 has 24 divisors (see below), whose sum is σ = 6588000. Its totient is φ = 1800864.

The previous prime is 3978593. The next prime is 3978641. The reversal of 3978598 is 8958793.

Its product of digits (544320) is a multiple of the sum of its prime divisors (243).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3978593) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 26628 + ... + 26776.

It is an arithmetic number, because the mean of its divisors is an integer number (274500).

Almost surely, 2^3978598 is an apocalyptic number.

3978598 is a deficient number, since it is larger than the sum of its proper divisors (2609402).

3978598 is a wasteful number, since it uses less digits than its factorization.

3978598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256 (or 243 counting only the distinct ones).

The product of its digits is 544320, while the sum is 49.

The square root of 3978598 is about 1994.6423238265. The cubic root of 3978598 is about 158.4564857809.

The spelling of 3978598 in words is "three million, nine hundred seventy-eight thousand, five hundred ninety-eight".