1609152 has 84 divisors (see below), whose sum is σ = 4678680. Its totient is φ = 487424.

The previous prime is 1609147. The next prime is 1609163. The reversal of 1609152 is 2519061.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55474 + ... + 55502.

2^1609152 is an apocalyptic number.

1609152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1609152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2339340).

1609152 is an abundant number, since it is smaller than the sum of its proper divisors (3069528).

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

1609152 is a wasteful number, since it uses less digits than its factorization.

1609152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78 (or 51 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 1609152 is about 1268.5235512201. The cubic root of 1609152 is about 117.1832907644.

Subtracting 1609152 from its reverse (2519061), we obtain a palindrome (909909).

The spelling of 1609152 in words is "one million, six hundred nine thousand, one hundred fifty-two".