29120428 has 12 divisors (see below), whose sum is σ = 51012472. Its totient is φ = 14545440.

The previous prime is 29120393. The next prime is 29120431. The reversal of 29120428 is 82402192.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 29120396 and 29120405.

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, 1576 + ... + 7792.

Almost surely, 2^29120428 is an apocalyptic number.

It is an amenable number.

29120428 is a deficient number, since it is larger than the sum of its proper divisors (21892044).

29120428 is a wasteful number, since it uses less digits than its factorization.

29120428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7392 (or 7390 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 29120428 is about 5396.3346819855. The cubic root of 29120428 is about 307.6563745153.

The spelling of 29120428 in words is "twenty-nine million, one hundred twenty thousand, four hundred twenty-eight".