3934278 has 32 divisors (see below), whose sum is σ = 8961120. Its totient is φ = 1278720.

The previous prime is 3934267. The next prime is 3934289. The reversal of 3934278 is 8724393.

It is an interprime number because it is at equal distance from previous prime (3934267) and next prime (3934289).

It is a d-powerful number, because it can be written as 3¹¹ + 9² + 3¹³ + 4⁸ + 2⁵ + 7 + 8⁷ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1326 + ... + 3102.

It is an arithmetic number, because the mean of its divisors is an integer number (280035).

Almost surely, 2^3934278 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3934278, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4480560).

3934278 is an abundant number, since it is smaller than the sum of its proper divisors (5026842).

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

3934278 is a wasteful number, since it uses less digits than its factorization.

3934278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1829 (or 1823 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 3934278 is about 1983.5014494575. The cubic root of 3934278 is about 157.8659066309.

The spelling of 3934278 in words is "three million, nine hundred thirty-four thousand, two hundred seventy-eight".