69428846 has 4 divisors (see below), whose sum is σ = 104143272. Its totient is φ = 34714422.

The previous prime is 69428837. The next prime is 69428851. The reversal of 69428846 is 64882496.

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

It is a super-3 number, since 3×69428846³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 69428846.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17357210 + ... + 17357213.

It is an arithmetic number, because the mean of its divisors is an integer number (26035818).

Almost surely, 2^69428846 is an apocalyptic number.

69428846 is a deficient number, since it is larger than the sum of its proper divisors (34714426).

69428846 is a wasteful number, since it uses less digits than its factorization.

69428846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34714425.

The product of its digits is 663552, while the sum is 47.

The square root of 69428846 is about 8332.3973741055. The cubic root of 69428846 is about 411.0045681596.

The spelling of 69428846 in words is "sixty-nine million, four hundred twenty-eight thousand, eight hundred forty-six".