428293113 has 4 divisors (see below), whose sum is σ = 571057488. Its totient is φ = 285528740.

The previous prime is 428293111. The next prime is 428293127. The reversal of 428293113 is 311392824.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 428293113 - 2¹ = 428293111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (428293111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71382183 + ... + 71382188.

It is an arithmetic number, because the mean of its divisors is an integer number (142764372).

Almost surely, 2^428293113 is an apocalyptic number.

It is an amenable number.

428293113 is a deficient number, since it is larger than the sum of its proper divisors (142764375).

428293113 is a wasteful number, since it uses less digits than its factorization.

428293113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142764374.

The product of its digits is 10368, while the sum is 33.

The square root of 428293113 is about 20695.2437289344. The cubic root of 428293113 is about 753.7842005444.

The spelling of 428293113 in words is "four hundred twenty-eight million, two hundred ninety-three thousand, one hundred thirteen".