428118104 has 8 divisors (see below), whose sum is σ = 802721460. Its totient is φ = 214059048.

The previous prime is 428118077. The next prime is 428118107. The reversal of 428118104 is 401811824.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×428118104² = 366570221945109632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428118107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26757374 + ... + 26757389.

Almost surely, 2^428118104 is an apocalyptic number.

It is an amenable number.

428118104 is a deficient number, since it is larger than the sum of its proper divisors (374603356).

428118104 is a wasteful number, since it uses less digits than its factorization.

428118104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53514769 (or 53514765 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 29.

The square root of 428118104 is about 20691.0150548493. The cubic root of 428118104 is about 753.6815162008.

Adding to 428118104 its reverse (401811824), we get a palindrome (829929928).

The spelling of 428118104 in words is "four hundred twenty-eight million, one hundred eighteen thousand, one hundred four".