42896394 has 48 divisors (see below), whose sum is σ = 98790120. Its totient is φ = 13426560.

The previous prime is 42896387. The next prime is 42896401. The reversal of 42896394 is 49369824.

42896394 is a `hidden beast` number, since 4 + 2 + 8 + 9 + 639 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (42896387) and next prime (42896401).

It can be written as a sum of positive squares in 4 ways, for example, as 42732369 + 164025 = 6537^2 + 405^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18204 + ... + 20424.

Almost surely, 2^42896394 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42896394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49395060).

42896394 is an abundant number, since it is smaller than the sum of its proper divisors (55893726).

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

42896394 is a wasteful number, since it uses less digits than its factorization.

42896394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2295 (or 2292 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 42896394 is about 6549.5338765442. The cubic root of 42896394 is about 350.0582052859.

The spelling of 42896394 in words is "forty-two million, eight hundred ninety-six thousand, three hundred ninety-four".