28416450 has 48 divisors (see below), whose sum is σ = 70799040. Its totient is φ = 7542720.

The previous prime is 28416439. The next prime is 28416473. The reversal of 28416450 is 5461482.

It is a super-3 number, since 3×28416450³ (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58107 + ... + 58593.

It is an arithmetic number, because the mean of its divisors is an integer number (1474980).

Almost surely, 2^28416450 is an apocalyptic number.

28416450 is an abundant number, since it is smaller than the sum of its proper divisors (42382590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28416450 is a wasteful number, since it uses less digits than its factorization.

28416450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891 (or 886 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 28416450 is about 5330.7082081089. The cubic root of 28416450 is about 305.1569558541.

The spelling of 28416450 in words is "twenty-eight million, four hundred sixteen thousand, four hundred fifty".