389428453 has 8 divisors (see below), whose sum is σ = 396733536. Its totient is φ = 382153200.

The previous prime is 389428423. The next prime is 389428463. The reversal of 389428453 is 354824983.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-389428453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389428423) 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, 19818 + ... + 34228.

It is an arithmetic number, because the mean of its divisors is an integer number (49591692).

Almost surely, 2^389428453 is an apocalyptic number.

It is an amenable number.

389428453 is a deficient number, since it is larger than the sum of its proper divisors (7305083).

389428453 is a wasteful number, since it uses less digits than its factorization.

389428453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14915.

The product of its digits is 829440, while the sum is 46.

The square root of 389428453 is about 19733.9416488445. The cubic root of 389428453 is about 730.2572765523.

The spelling of 389428453 in words is "three hundred eighty-nine million, four hundred twenty-eight thousand, four hundred fifty-three".