28629470 has 8 divisors (see below), whose sum is σ = 51533064. Its totient is φ = 11451784.

The previous prime is 28629451. The next prime is 28629481. The reversal of 28629470 is 7492682.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1431464 + ... + 1431483.

It is an arithmetic number, because the mean of its divisors is an integer number (6441633).

Almost surely, 2^28629470 is an apocalyptic number.

28629470 is a deficient number, since it is larger than the sum of its proper divisors (22903594).

28629470 is a wasteful number, since it uses less digits than its factorization.

28629470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2862954.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 28629470 is about 5350.6513622175. The cubic root of 28629470 is about 305.9175807191.

The spelling of 28629470 in words is "twenty-eight million, six hundred twenty-nine thousand, four hundred seventy".