42961386 has 32 divisors (see below), whose sum is σ = 94691520. Its totient is φ = 12910464.

The previous prime is 42961379. The next prime is 42961417. The reversal of 42961386 is 68316924.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 3051 + ... + 9758.

It is an arithmetic number, because the mean of its divisors is an integer number (2959110).

Almost surely, 2^42961386 is an apocalyptic number.

42961386 is an abundant number, since it is smaller than the sum of its proper divisors (51730134).

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

42961386 is a wasteful number, since it uses less digits than its factorization.

42961386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12870.

The product of its digits is 62208, while the sum is 39.

The square root of 42961386 is about 6554.4935731146. The cubic root of 42961386 is about 350.2349062505.

The spelling of 42961386 in words is "forty-two million, nine hundred sixty-one thousand, three hundred eighty-six".