1488828421 has 4 divisors (see below), whose sum is σ = 1489251712. Its totient is φ = 1488405132.

The previous prime is 1488828409. The next prime is 1488828427. The reversal of 1488828421 is 1248288841.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1488828421 - 2¹⁷ = 1488697349 is a prime.

It is a super-2 number, since 2×1488828421² = 4433220134354706482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1488828427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206325 + ... + 213418.

It is an arithmetic number, because the mean of its divisors is an integer number (372312928).

Almost surely, 2^1488828421 is an apocalyptic number.

It is an amenable number.

1488828421 is a deficient number, since it is larger than the sum of its proper divisors (423291).

1488828421 is an equidigital number, since it uses as much as digits as its factorization.

1488828421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423290.

The product of its digits is 262144, while the sum is 46.

The square root of 1488828421 is about 38585.3394568455. The cubic root of 1488828421 is about 1141.8653213503.

The spelling of 1488828421 in words is "one billion, four hundred eighty-eight million, eight hundred twenty-eight thousand, four hundred twenty-one".