1960409 has 8 divisors (see below), whose sum is σ = 2208000. Its totient is φ = 1724400.

The previous prime is 1960397. The next prime is 1960421. The reversal of 1960409 is 9040691.

It is an interprime number because it is at equal distance from previous prime (1960397) and next prime (1960421).

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 1960409 - 2¹² = 1956313 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1960009) 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, 2534 + ... + 3215.

It is an arithmetic number, because the mean of its divisors is an integer number (276000).

2^1960409 is an apocalyptic number.

It is an amenable number.

1960409 is a deficient number, since it is larger than the sum of its proper divisors (247591).

1960409 is a wasteful number, since it uses less digits than its factorization.

1960409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5791.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 1960409 is about 1400.1460638091. The cubic root of 1960409 is about 125.1551992259.

The spelling of 1960409 in words is "one million, nine hundred sixty thousand, four hundred nine".