428615996 has 12 divisors (see below), whose sum is σ = 760353552. Its totient is φ = 211372128.

The previous prime is 428615987. The next prime is 428616007. The reversal of 428615996 is 699516824.

It is a super-3 number, since 3×428615996³ (a number of 27 digits) contains 333 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 733640 + ... + 734223.

It is an arithmetic number, because the mean of its divisors is an integer number (63362796).

Almost surely, 2^428615996 is an apocalyptic number.

It is an amenable number.

428615996 is a deficient number, since it is larger than the sum of its proper divisors (331737556).

428615996 is a wasteful number, since it uses less digits than its factorization.

428615996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1467940 (or 1467938 counting only the distinct ones).

The product of its digits is 933120, while the sum is 50.

The square root of 428615996 is about 20703.0431579514. The cubic root of 428615996 is about 753.9735747223.

The spelling of 428615996 in words is "four hundred twenty-eight million, six hundred fifteen thousand, nine hundred ninety-six".