1624428147 has 16 divisors (see below), whose sum is σ = 2233907712. Its totient is φ = 1049407200.

The previous prime is 1624428119. The next prime is 1624428151. The reversal of 1624428147 is 7418244261.

It is not a de Polignac number, because 1624428147 - 2⁷ = 1624428019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1624428187) 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, 42793 + ... + 71274.

It is an arithmetic number, because the mean of its divisors is an integer number (139619232).

Almost surely, 2^1624428147 is an apocalyptic number.

1624428147 is a deficient number, since it is larger than the sum of its proper divisors (609479565).

1624428147 is a wasteful number, since it uses less digits than its factorization.

1624428147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114218.

The product of its digits is 86016, while the sum is 39.

The square root of 1624428147 is about 40304.1951538546. The cubic root of 1624428147 is about 1175.5294181625.

The spelling of 1624428147 in words is "one billion, six hundred twenty-four million, four hundred twenty-eight thousand, one hundred forty-seven".