19488002 has 4 divisors (see below), whose sum is σ = 29232006. Its totient is φ = 9744000.

The previous prime is 19487999. The next prime is 19488019. The reversal of 19488002 is 20088491.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 15912121 + 3575881 = 3989^2 + 1891^2 .

It is a super-4 number, since 4×19488002⁴ (a number of 30 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 19488002.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4871999 + ... + 4872002.

Almost surely, 2^19488002 is an apocalyptic number.

19488002 is a deficient number, since it is larger than the sum of its proper divisors (9744004).

19488002 is an equidigital number, since it uses as much as digits as its factorization.

19488002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9744003.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 19488002 is about 4414.5217181480. The cubic root of 19488002 is about 269.1054160437.

The spelling of 19488002 in words is "nineteen million, four hundred eighty-eight thousand, two".