393053028 has 24 divisors (see below), whose sum is σ = 920442432. Its totient is φ = 130543584.

The previous prime is 393053027. The next prime is 393053029. The reversal of 393053028 is 820350393.

It is an interprime number because it is at equal distance from previous prime (393053027) and next prime (393053029).

It is a self number, because there is not a number n which added to its sum of digits gives 393053028.

It is not an unprimeable number, because it can be changed into a prime (393053027) 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, 55800 + ... + 62447.

It is an arithmetic number, because the mean of its divisors is an integer number (38351768).

Almost surely, 2^393053028 is an apocalyptic number.

It is an amenable number.

393053028 is an abundant number, since it is smaller than the sum of its proper divisors (527389404).

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

393053028 is a wasteful number, since it uses less digits than its factorization.

393053028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118531 (or 118529 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 393053028 is about 19825.5650108641. The cubic root of 393053028 is about 732.5158879399.

The spelling of 393053028 in words is "three hundred ninety-three million, fifty-three thousand, twenty-eight".