16953240 has 32 divisors (see below), whose sum is σ = 50860080. Its totient is φ = 4520832.

The previous prime is 16953239. The next prime is 16953241. The reversal of 16953240 is 4235961.

It is an interprime number because it is at equal distance from previous prime (16953239) and next prime (16953241).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 16953198 and 16953207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16953241) 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, 70519 + ... + 70758.

Almost surely, 2^16953240 is an apocalyptic number.

16953240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16953240 is an abundant number, since it is smaller than the sum of its proper divisors (33906840).

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

16953240 is a wasteful number, since it uses less digits than its factorization.

16953240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141291 (or 141287 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 16953240 is about 4117.4312380415. The cubic root of 16953240 is about 256.8921913536.

The spelling of 16953240 in words is "sixteen million, nine hundred fifty-three thousand, two hundred forty".