28155962 has 8 divisors (see below), whose sum is σ = 42336000. Its totient is φ = 14043964.

The previous prime is 28155949. The next prime is 28155997. The reversal of 28155962 is 26955182.

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

It is a super-2 number, since 2×28155962² = 1585516392290888, which contains 22 as substring.

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, 15962 + ... + 17637.

It is an arithmetic number, because the mean of its divisors is an integer number (5292000).

Almost surely, 2^28155962 is an apocalyptic number.

28155962 is a deficient number, since it is larger than the sum of its proper divisors (14180038).

28155962 is a wasteful number, since it uses less digits than its factorization.

28155962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34020.

The product of its digits is 43200, while the sum is 38.

The square root of 28155962 is about 5306.2191813004. The cubic root of 28155962 is about 304.2216541941.

The spelling of 28155962 in words is "twenty-eight million, one hundred fifty-five thousand, nine hundred sixty-two".