3969100 has 36 divisors (see below), whose sum is σ = 9070600. Its totient is φ = 1503360.

The previous prime is 3969071. The next prime is 3969137. The reversal of 3969100 is 19693.

3969100 = 29² + 30² + ... + 228².

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 856 + ... + 2944.

Almost surely, 2^3969100 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 3969100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4535300).

3969100 is an abundant number, since it is smaller than the sum of its proper divisors (5101500).

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

3969100 is a wasteful number, since it uses less digits than its factorization.

3969100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2122 (or 2115 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 3969100 is about 1992.2600231897. The cubic root of 3969100 is about 158.3302923393.

The spelling of 3969100 in words is "three million, nine hundred sixty-nine thousand, one hundred".