428997413 has 8 divisors (see below), whose sum is σ = 467846400. Its totient is φ = 390984048.

The previous prime is 428997367. The next prime is 428997427. The reversal of 428997413 is 314799824.

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

It is not a de Polignac number, because 428997413 - 2⁸ = 428997157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428997463) 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, 207833 + ... + 209886.

It is an arithmetic number, because the mean of its divisors is an integer number (58480800).

Almost surely, 2^428997413 is an apocalyptic number.

It is an amenable number.

428997413 is a deficient number, since it is larger than the sum of its proper divisors (38848987).

428997413 is a wasteful number, since it uses less digits than its factorization.

428997413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417811.

The product of its digits is 435456, while the sum is 47.

The square root of 428997413 is about 20712.2527263453. The cubic root of 428997413 is about 754.1971571989.

The spelling of 428997413 in words is "four hundred twenty-eight million, nine hundred ninety-seven thousand, four hundred thirteen".