28762814 has 4 divisors (see below), whose sum is σ = 43144224. Its totient is φ = 14381406.

The previous prime is 28762813. The next prime is 28762819. The reversal of 28762814 is 41826782.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41826782 = 2 ⋅20913391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28762813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7190702 + ... + 7190705.

It is an arithmetic number, because the mean of its divisors is an integer number (10786056).

Almost surely, 2^28762814 is an apocalyptic number.

28762814 is a deficient number, since it is larger than the sum of its proper divisors (14381410).

28762814 is a wasteful number, since it uses less digits than its factorization.

28762814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14381409.

The product of its digits is 43008, while the sum is 38.

The square root of 28762814 is about 5363.0974259284. The cubic root of 28762814 is about 306.3917902915.

The spelling of 28762814 in words is "twenty-eight million, seven hundred sixty-two thousand, eight hundred fourteen".