1409387 has 10 divisors (see below), whose sum is σ = 1646988. Its totient is φ = 1205988.

The previous prime is 1409381. The next prime is 1409393. The reversal of 1409387 is 7839041.

It is an interprime number because it is at equal distance from previous prime (1409381) and next prime (1409393).

It is not a de Polignac number, because 1409387 - 2¹⁴ = 1393003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1409381) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2108 + ... + 2694.

2^1409387 is an apocalyptic number.

1409387 is a deficient number, since it is larger than the sum of its proper divisors (237601).

1409387 is an frugal number, since it uses more digits than its factorization.

1409387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615 (or 594 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 1409387 is about 1187.1760610794. The cubic root of 1409387 is about 112.1183644487.

The spelling of 1409387 in words is "one million, four hundred nine thousand, three hundred eighty-seven".