28453701 has 8 divisors (see below), whose sum is σ = 38061504. Its totient is φ = 18907520.

The previous prime is 28453693. The next prime is 28453709. The reversal of 28453701 is 10735482.

It is an interprime number because it is at equal distance from previous prime (28453693) and next prime (28453709).

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

It is a cyclic number.

It is not a de Polignac number, because 28453701 - 2³ = 28453693 is a prime.

It is a super-2 number, since 2×28453701² = 1619226201194802, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28453709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14316 + ... + 16181.

It is an arithmetic number, because the mean of its divisors is an integer number (4757688).

Almost surely, 2^28453701 is an apocalyptic number.

It is an amenable number.

28453701 is a deficient number, since it is larger than the sum of its proper divisors (9607803).

28453701 is a wasteful number, since it uses less digits than its factorization.

28453701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30811.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 28453701 is about 5334.2010648269. The cubic root of 28453701 is about 305.2902406031.

The spelling of 28453701 in words is "twenty-eight million, four hundred fifty-three thousand, seven hundred one".