16275390 has 32 divisors (see below), whose sum is σ = 39414816. Its totient is φ = 4300800.

The previous prime is 16275379. The next prime is 16275407. The reversal of 16275390 is 9357261.

It is a plaindrome in base 9.

It is a zygodrome in base 9.

It is a congruent number.

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, 990 + ... + 5790.

It is an arithmetic number, because the mean of its divisors is an integer number (1231713).

Almost surely, 2^16275390 is an apocalyptic number.

16275390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16275390 is an abundant number, since it is smaller than the sum of its proper divisors (23139426).

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

16275390 is a wasteful number, since it uses less digits than its factorization.

16275390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4924.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 16275390 is about 4034.2768868782. The cubic root of 16275390 is about 253.4217008588.

The spelling of 16275390 in words is "sixteen million, two hundred seventy-five thousand, three hundred ninety".