913505428 has 12 divisors (see below), whose sum is σ = 1743964992. Its totient is φ = 415229720.

The previous prime is 913505419. The next prime is 913505443. The reversal of 913505428 is 824505319.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10380700 + ... + 10380787.

It is an arithmetic number, because the mean of its divisors is an integer number (145330416).

Almost surely, 2^913505428 is an apocalyptic number.

It is an amenable number.

913505428 is a deficient number, since it is larger than the sum of its proper divisors (830459564).

913505428 is a wasteful number, since it uses less digits than its factorization.

913505428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20761502 (or 20761500 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 913505428 is about 30224.2523149870. The cubic root of 913505428 is about 970.2948152651.

The spelling of 913505428 in words is "nine hundred thirteen million, five hundred five thousand, four hundred twenty-eight".