42946197 has 24 divisors (see below), whose sum is σ = 66993696. Its totient is φ = 24399648.

The previous prime is 42946181. The next prime is 42946219. The reversal of 42946197 is 79164924.

It is not a de Polignac number, because 42946197 - 2⁴ = 42946181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42946117) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28218 + ... + 29700.

It is an arithmetic number, because the mean of its divisors is an integer number (2791404).

Almost surely, 2^42946197 is an apocalyptic number.

It is an amenable number.

42946197 is a deficient number, since it is larger than the sum of its proper divisors (24047499).

42946197 is a wasteful number, since it uses less digits than its factorization.

42946197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1697 (or 1690 counting only the distinct ones).

The product of its digits is 108864, while the sum is 42.

The square root of 42946197 is about 6553.3347999320. The cubic root of 42946197 is about 350.1936261961.

The spelling of 42946197 in words is "forty-two million, nine hundred forty-six thousand, one hundred ninety-seven".