3973698 has 40 divisors (see below), whose sum is σ = 9379920. Its totient is φ = 1253880.

The previous prime is 3973691. The next prime is 3973727. The reversal of 3973698 is 8963793.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3973691) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2433 + ... + 3723.

It is an arithmetic number, because the mean of its divisors is an integer number (234498).

Almost surely, 2^3973698 is an apocalyptic number.

3973698 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3973698, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4689960).

3973698 is an abundant number, since it is smaller than the sum of its proper divisors (5406222).

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

3973698 is a wasteful number, since it uses less digits than its factorization.

3973698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324 (or 1315 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 3973698 is about 1993.4136550149. The cubic root of 3973698 is about 158.3914079362.

It can be divided in two parts, 397 and 3698, that added together give a triangular number (4095 = T₉₀).

The spelling of 3973698 in words is "three million, nine hundred seventy-three thousand, six hundred ninety-eight".