16374988 has 48 divisors (see below), whose sum is σ = 34965504. Its totient is φ = 6557760.

The previous prime is 16374973. The next prime is 16374991. The reversal of 16374988 is 88947361.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29998 + ... + 30538.

It is an arithmetic number, because the mean of its divisors is an integer number (728448).

Almost surely, 2^16374988 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16374988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17482752).

16374988 is an abundant number, since it is smaller than the sum of its proper divisors (18590516).

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

16374988 is a wasteful number, since it uses less digits than its factorization.

16374988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622 (or 620 counting only the distinct ones).

The product of its digits is 290304, while the sum is 46.

The square root of 16374988 is about 4046.6020313344. The cubic root of 16374988 is about 253.9375918760.

The spelling of 16374988 in words is "sixteen million, three hundred seventy-four thousand, nine hundred eighty-eight".