428537001 has 32 divisors (see below), whose sum is σ = 619776000. Its totient is φ = 262536768.

The previous prime is 428536993. The next prime is 428537009. The reversal of 428537001 is 100735824.

It is an interprime number because it is at equal distance from previous prime (428536993) and next prime (428537009).

It is not a de Polignac number, because 428537001 - 2³ = 428536993 is a prime.

It is a super-2 number, since 2×428537001² = 367287922452148002, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 428537001.

It is not an unprimeable number, because it can be changed into a prime (428537009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 264871 + ... + 266483.

It is an arithmetic number, because the mean of its divisors is an integer number (19368000).

Almost surely, 2^428537001 is an apocalyptic number.

It is an amenable number.

428537001 is a deficient number, since it is larger than the sum of its proper divisors (191238999).

428537001 is a wasteful number, since it uses less digits than its factorization.

428537001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1773.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 428537001 is about 20701.1352587243. The cubic root of 428537001 is about 753.9272521379.

The spelling of 428537001 in words is "four hundred twenty-eight million, five hundred thirty-seven thousand, one".