735428394 has 12 divisors (see below), whose sum is σ = 1593428226. Its totient is φ = 245142792.

The previous prime is 735428377. The next prime is 735428399. The reversal of 735428394 is 493824537.

735428394 is a `hidden beast` number, since 73 + 542 + 8 + 39 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 676676169 + 58752225 = 26013^2 + 7665^2 .

It is not an unprimeable number, because it can be changed into a prime (735428399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20428549 + ... + 20428584.

Almost surely, 2^735428394 is an apocalyptic number.

735428394 is an abundant number, since it is smaller than the sum of its proper divisors (857999832).

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

735428394 is a wasteful number, since it uses less digits than its factorization.

735428394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40857141 (or 40857138 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 735428394 is about 27118.7830479172. The cubic root of 735428394 is about 902.6376916142.

The spelling of 735428394 in words is "seven hundred thirty-five million, four hundred twenty-eight thousand, three hundred ninety-four".