16439007 has 16 divisors (see below), whose sum is σ = 23797760. Its totient is φ = 10033632.

The previous prime is 16438967. The next prime is 16439011. The reversal of 16439007 is 70093461.

It is a happy number.

It is not a de Polignac number, because 16439007 - 2¹⁸ = 16176863 is a prime.

It is a super-2 number, since 2×16439007² = 540481902292098, 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 (16439057) 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, 3294 + ... + 6612.

It is an arithmetic number, because the mean of its divisors is an integer number (1487360).

Almost surely, 2^16439007 is an apocalyptic number.

16439007 is a deficient number, since it is larger than the sum of its proper divisors (7358753).

16439007 is a wasteful number, since it uses less digits than its factorization.

16439007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3462.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 16439007 is about 4054.5045319989. The cubic root of 16439007 is about 254.2680896430.

The spelling of 16439007 in words is "sixteen million, four hundred thirty-nine thousand, seven".