3932478 has 24 divisors (see below), whose sum is σ = 9295416. Its totient is φ = 1191600.

The previous prime is 3932473. The next prime is 3932483. The reversal of 3932478 is 8742393.

It is an interprime number because it is at equal distance from previous prime (3932473) and next prime (3932483).

It is a d-powerful number, because it can be written as 3³ + 9⁴ + 3¹² + 2¹⁷ + 4¹⁰ + 7⁶ + 8⁷ .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3932473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9733 + ... + 10128.

It is an arithmetic number, because the mean of its divisors is an integer number (387309).

Almost surely, 2^3932478 is an apocalyptic number.

3932478 is an abundant number, since it is smaller than the sum of its proper divisors (5362938).

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

3932478 is a wasteful number, since it uses less digits than its factorization.

3932478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19880 (or 19877 counting only the distinct ones).

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

The square root of 3932478 is about 1983.0476544955. The cubic root of 3932478 is about 157.8418275005.

The spelling of 3932478 in words is "three million, nine hundred thirty-two thousand, four hundred seventy-eight".