16339974 has 16 divisors (see below), whose sum is σ = 37348608. Its totient is φ = 4668552.

The previous prime is 16339969. The next prime is 16339979. The reversal of 16339974 is 47993361.

It is an interprime number because it is at equal distance from previous prime (16339969) and next prime (16339979).

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 389047 = 16339974 / (1 + 6 + 3 + 3 + 9 + 9 + 7 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16339979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194482 + ... + 194565.

It is an arithmetic number, because the mean of its divisors is an integer number (2334288).

Almost surely, 2^16339974 is an apocalyptic number.

16339974 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

16339974 is an abundant number, since it is smaller than the sum of its proper divisors (21008634).

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

16339974 is a wasteful number, since it uses less digits than its factorization.

16339974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389059.

The product of its digits is 122472, while the sum is 42.

The square root of 16339974 is about 4042.2733702707. The cubic root of 16339974 is about 253.7564677588.

The spelling of 16339974 in words is "sixteen million, three hundred thirty-nine thousand, nine hundred seventy-four".