1349557 has 8 divisors (see below), whose sum is σ = 1491840. Its totient is φ = 1210560.

The previous prime is 1349533. The next prime is 1349651. The reversal of 1349557 is 7559431.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1349557 is a prime.

It is a super-4 number, since 4×1349557⁴ (a number of 26 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1349357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93 + ... + 1645.

It is an arithmetic number, because the mean of its divisors is an integer number (186480).

2^1349557 is an apocalyptic number.

It is an amenable number.

1349557 is a deficient number, since it is larger than the sum of its proper divisors (142283).

1349557 is a wasteful number, since it uses less digits than its factorization.

1349557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1643.

The product of its digits is 18900, while the sum is 34.

The square root of 1349557 is about 1161.7043513734. The cubic root of 1349557 is about 110.5088545555.

The spelling of 1349557 in words is "one million, three hundred forty-nine thousand, five hundred fifty-seven".