1349604 has 18 divisors (see below), whose sum is σ = 3411590. Its totient is φ = 449856.

The previous prime is 1349533. The next prime is 1349651. The reversal of 1349604 is 4069431.

1349604 is a `hidden beast` number, since 13 + 49 + 604 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1327104 + 22500 = 1152^2 + 150^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 18709 + ... + 18780.

2^1349604 is an apocalyptic number.

It is an amenable number.

1349604 is an abundant number, since it is smaller than the sum of its proper divisors (2061986).

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

1349604 is a wasteful number, since it uses less digits than its factorization.

1349604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37499 (or 37494 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 1349604 is about 1161.7245800963. The cubic root of 1349604 is about 110.5101374100.

It can be divided in two parts, 1349 and 604, that added together give a triangular number (1953 = T₆₂).

The spelling of 1349604 in words is "one million, three hundred forty-nine thousand, six hundred four".