1409291 has 12 divisors (see below), whose sum is σ = 1581120. Its totient is φ = 1254240.

The previous prime is 1409263. The next prime is 1409299. The reversal of 1409291 is 1929041.

It is not a de Polignac number, because 1409291 - 2⁶ = 1409227 is a prime.

It is a super-2 number, since 2×1409291² = 3972202245362, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1409291.

It is not an unprimeable number, because it can be changed into a prime (1409299) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5105 + ... + 5373.

It is an arithmetic number, because the mean of its divisors is an integer number (131760).

2^1409291 is an apocalyptic number.

1409291 is a deficient number, since it is larger than the sum of its proper divisors (171829).

1409291 is a wasteful number, since it uses less digits than its factorization.

1409291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326 (or 313 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 1409291 is about 1187.1356283087. The cubic root of 1409291 is about 112.1158187539.

The spelling of 1409291 in words is "one million, four hundred nine thousand, two hundred ninety-one".