538278396 has 48 divisors (see below), whose sum is σ = 1320644640. Its totient is φ = 170392320.

The previous prime is 538278383. The next prime is 538278409. The reversal of 538278396 is 693872835.

538278396 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (538278383) and next prime (538278409).

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, 8550 + ... + 33906.

It is an arithmetic number, because the mean of its divisors is an integer number (27513430).

Almost surely, 2^538278396 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 538278396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (660322320).

538278396 is an abundant number, since it is smaller than the sum of its proper divisors (782366244).

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

538278396 is a wasteful number, since it uses less digits than its factorization.

538278396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25454 (or 25452 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 51.

The square root of 538278396 is about 23200.8274852428. The cubic root of 538278396 is about 813.4589651106.

The spelling of 538278396 in words is "five hundred thirty-eight million, two hundred seventy-eight thousand, three hundred ninety-six".