42953398 has 4 divisors (see below), whose sum is σ = 64430100. Its totient is φ = 21476698.

The previous prime is 42953387. The next prime is 42953399. The reversal of 42953398 is 89335924.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42953399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10738348 + ... + 10738351.

It is an arithmetic number, because the mean of its divisors is an integer number (16107525).

Almost surely, 2^42953398 is an apocalyptic number.

42953398 is a deficient number, since it is larger than the sum of its proper divisors (21476702).

42953398 is a wasteful number, since it uses less digits than its factorization.

42953398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21476701.

The product of its digits is 233280, while the sum is 43.

The square root of 42953398 is about 6553.8841918362. The cubic root of 42953398 is about 350.2131979980.

The spelling of 42953398 in words is "forty-two million, nine hundred fifty-three thousand, three hundred ninety-eight".