3950000 has 60 divisors (see below), whose sum is σ = 9686880. Its totient is φ = 1560000.

The previous prime is 3949969. The next prime is 3950029. The reversal of 3950000 is 593.

It is an Ulam number.

It is a congruent 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, 49961 + ... + 50039.

It is an arithmetic number, because the mean of its divisors is an integer number (161448).

Almost surely, 2^3950000 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 3950000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4843440).

3950000 is an abundant number, since it is smaller than the sum of its proper divisors (5736880).

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

3950000 is an frugal number, since it uses more digits than its factorization.

3950000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 135, while the sum is 17.

The square root of 3950000 is about 1987.4606914352. The cubic root of 3950000 is about 158.0759128880.

Adding to 3950000 its reverse (593), we get a palindrome (3950593).

The spelling of 3950000 in words is "three million, nine hundred fifty thousand".