428724037 has 16 divisors (see below), whose sum is σ = 546099840. Its totient is φ = 327656448.

The previous prime is 428724029. The next prime is 428724041. The reversal of 428724037 is 730427824.

It is not a de Polignac number, because 428724037 - 2³ = 428724029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 428723987 and 428724005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428724047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92548 + ... + 97069.

It is an arithmetic number, because the mean of its divisors is an integer number (34131240).

Almost surely, 2^428724037 is an apocalyptic number.

It is an amenable number.

428724037 is a deficient number, since it is larger than the sum of its proper divisors (117375803).

428724037 is a wasteful number, since it uses less digits than its factorization.

428724037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189660.

The product of its (nonzero) digits is 75264, while the sum is 37.

The square root of 428724037 is about 20705.6522959312. The cubic root of 428724037 is about 754.0369206358.

The spelling of 428724037 in words is "four hundred twenty-eight million, seven hundred twenty-four thousand, thirty-seven".