1349931 has 16 divisors (see below), whose sum is σ = 2067840. Its totient is φ = 774720.

The previous prime is 1349927. The next prime is 1349941. The reversal of 1349931 is 1399431.

It is not a de Polignac number, because 1349931 - 2² = 1349927 is a prime.

It is a super-2 number, since 2×1349931² = 3644627409522, which contains 22 as substring.

1349931 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1349941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 450 + ... + 1703.

It is an arithmetic number, because the mean of its divisors is an integer number (129240).

2^1349931 is an apocalyptic number.

1349931 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1349931 is a deficient number, since it is larger than the sum of its proper divisors (717909).

1349931 is a wasteful number, since it uses less digits than its factorization.

1349931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2186.

The product of its digits is 2916, while the sum is 30.

The square root of 1349931 is about 1161.8653106105. The cubic root of 1349931 is about 110.5190619777.

It can be divided in two parts, 13499 and 31, that added together give a triangular number (13530 = T₁₆₄).

The spelling of 1349931 in words is "one million, three hundred forty-nine thousand, nine hundred thirty-one".