43513428 has 24 divisors (see below), whose sum is σ = 116036032. Its totient is φ = 12432384.

The previous prime is 43513411. The next prime is 43513433. The reversal of 43513428 is 82431534.

It is a super-2 number, since 2×43513428² = 3786836832622368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43513395 and 43513404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258925 + ... + 259092.

Almost surely, 2^43513428 is an apocalyptic number.

It is an amenable number.

43513428 is an abundant number, since it is smaller than the sum of its proper divisors (72522604).

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

43513428 is a wasteful number, since it uses less digits than its factorization.

43513428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518031 (or 518029 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 43513428 is about 6596.4708746420. The cubic root of 43513428 is about 351.7286670207.

The spelling of 43513428 in words is "forty-three million, five hundred thirteen thousand, four hundred twenty-eight".