921016342 has 4 divisors (see below), whose sum is σ = 1381524516. Its totient is φ = 460508170.

The previous prime is 921016337. The next prime is 921016379. The reversal of 921016342 is 243610129.

921016342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 243610129 = 7 ⋅34801447.

It is a super-2 number, since 2×921016342² = 1696542204462121928, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 921016342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230254084 + ... + 230254087.

It is an arithmetic number, because the mean of its divisors is an integer number (345381129).

Almost surely, 2^921016342 is an apocalyptic number.

921016342 is a deficient number, since it is larger than the sum of its proper divisors (460508174).

921016342 is a wasteful number, since it uses less digits than its factorization.

921016342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460508173.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 921016342 is about 30348.2510533968. The cubic root of 921016342 is about 972.9468403845.

It can be divided in two parts, 9210 and 16342, that added together give a palindrome (25552).

The spelling of 921016342 in words is "nine hundred twenty-one million, sixteen thousand, three hundred forty-two".