16269490 has 8 divisors (see below), whose sum is σ = 29285100. Its totient is φ = 6507792.

The previous prime is 16269481. The next prime is 16269499. The reversal of 16269490 is 9496261.

It is an interprime number because it is at equal distance from previous prime (16269481) and next prime (16269499).

It can be written as a sum of positive squares in 2 ways, for example, as 15896169 + 373321 = 3987^2 + 611^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (16269499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 813465 + ... + 813484.

Almost surely, 2^16269490 is an apocalyptic number.

16269490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16269490 is a deficient number, since it is larger than the sum of its proper divisors (13015610).

16269490 is a wasteful number, since it uses less digits than its factorization.

16269490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626956.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 16269490 is about 4033.5455867016. The cubic root of 16269490 is about 253.3910744807.

The spelling of 16269490 in words is "sixteen million, two hundred sixty-nine thousand, four hundred ninety".