42827946 has 16 divisors (see below), whose sum is σ = 97892544. Its totient is φ = 12236544.

The previous prime is 42827933. The next prime is 42827969. The reversal of 42827946 is 64972824.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 1019713 = 42827946 / (4 + 2 + 8 + 2 + 7 + 9 + 4 + 6).

It is a junction number, because it is equal to n+sod(n) for n = 42827898 and 42827907.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509815 + ... + 509898.

It is an arithmetic number, because the mean of its divisors is an integer number (6118284).

Almost surely, 2^42827946 is an apocalyptic number.

42827946 is an abundant number, since it is smaller than the sum of its proper divisors (55064598).

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

42827946 is a wasteful number, since it uses less digits than its factorization.

42827946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019725.

The product of its digits is 193536, while the sum is 42.

The square root of 42827946 is about 6544.3063803584. The cubic root of 42827946 is about 349.8719150369.

The spelling of 42827946 in words is "forty-two million, eight hundred twenty-seven thousand, nine hundred forty-six".