1409623 has 8 divisors (see below), whose sum is σ = 1502928. Its totient is φ = 1317504.

The previous prime is 1409587. The next prime is 1409633. The reversal of 1409623 is 3269041.

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

It is a cyclic number.

It is not a de Polignac number, because 1409623 - 2¹⁷ = 1278551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1409633) 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, 4665 + ... + 4957.

It is an arithmetic number, because the mean of its divisors is an integer number (187866).

2^1409623 is an apocalyptic number.

1409623 is a deficient number, since it is larger than the sum of its proper divisors (93305).

1409623 is a wasteful number, since it uses less digits than its factorization.

1409623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 1409623 is about 1187.2754524541. The cubic root of 1409623 is about 112.1246221237.

The spelling of 1409623 in words is "one million, four hundred nine thousand, six hundred twenty-three".