28414629 has 6 divisors (see below), whose sum is σ = 41043366. Its totient is φ = 18943080.

The previous prime is 28414627. The next prime is 28414643. The reversal of 28414629 is 92641482.

28414629 is a `hidden beast` number, since 28 + 4 + 1 + 4 + 629 = 666.

It can be written as a sum of positive squares in only one way, i.e., 18792225 + 9622404 = 4335^2 + 3102^2 .

It is not a de Polignac number, because 28414629 - 2¹ = 28414627 is a prime.

It is a super-2 number, since 2×28414629² = 1614782282415282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28414593 and 28414602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28414627) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1578582 + ... + 1578599.

It is an arithmetic number, because the mean of its divisors is an integer number (6840561).

Almost surely, 2^28414629 is an apocalyptic number.

It is an amenable number.

28414629 is a deficient number, since it is larger than the sum of its proper divisors (12628737).

28414629 is a wasteful number, since it uses less digits than its factorization.

28414629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3157187 (or 3157184 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 28414629 is about 5330.5374025515. The cubic root of 28414629 is about 305.1504372978.

The spelling of 28414629 in words is "twenty-eight million, four hundred fourteen thousand, six hundred twenty-nine".