3902000 has 40 divisors (see below), whose sum is σ = 9439872. Its totient is φ = 1560000.

The previous prime is 3901999. The next prime is 3902009. The reversal of 3902000 is 2093.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (3902009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1025 + ... + 2975.

Almost surely, 2^3902000 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 3902000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4719936).

3902000 is an abundant number, since it is smaller than the sum of its proper divisors (5537872).

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

3902000 is a wasteful number, since it uses less digits than its factorization.

3902000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1974 (or 1958 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 3902000 is about 1975.3480705941. The cubic root of 3902000 is about 157.4329940892.

Adding to 3902000 its reverse (2093), we get a palindrome (3904093).

The spelling of 3902000 in words is "three million, nine hundred two thousand".