28425348 has 36 divisors (see below), whose sum is σ = 82118400. Its totient is φ = 8121456.

The previous prime is 28425337. The next prime is 28425367. The reversal of 28425348 is 84352482.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×28425348² = 1616000817842208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56148 + ... + 56651.

Almost surely, 2^28425348 is an apocalyptic number.

28425348 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

28425348 is an abundant number, since it is smaller than the sum of its proper divisors (53693052).

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

28425348 is a wasteful number, since it uses less digits than its factorization.

28425348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112816 (or 112811 counting only the distinct ones).

The product of its digits is 61440, while the sum is 36.

The square root of 28425348 is about 5331.5427410835. The cubic root of 28425348 is about 305.1888036422.

The spelling of 28425348 in words is "twenty-eight million, four hundred twenty-five thousand, three hundred forty-eight".