3951738 has 48 divisors (see below), whose sum is σ = 9934080. Its totient is φ = 1111968.

The previous prime is 3951737. The next prime is 3951749. The reversal of 3951738 is 8371593.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (3951737) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9756 + ... + 10152.

It is an arithmetic number, because the mean of its divisors is an integer number (206960).

Almost surely, 2^3951738 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3951738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4967040).

3951738 is an abundant number, since it is smaller than the sum of its proper divisors (5982342).

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

3951738 is a wasteful number, since it uses less digits than its factorization.

3951738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491 (or 488 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 3951738 is about 1987.8978847013. The cubic root of 3951738 is about 158.0990939557.

The spelling of 3951738 in words is "three million, nine hundred fifty-one thousand, seven hundred thirty-eight".