1607961 has 8 divisors (see below), whose sum is σ = 2151360. Its totient is φ = 1068272.

The previous prime is 1607941. The next prime is 1607981. The reversal of 1607961 is 1697061.

It is an interprime number because it is at equal distance from previous prime (1607941) and next prime (1607981).

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 1607961 - 2⁵ = 1607929 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1607941) 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, 331 + ... + 1823.

It is an arithmetic number, because the mean of its divisors is an integer number (268920).

2^1607961 is an apocalyptic number.

It is an amenable number.

1607961 is a deficient number, since it is larger than the sum of its proper divisors (543399).

1607961 is a wasteful number, since it uses less digits than its factorization.

1607961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1855.

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 1607961 is about 1268.0540209313. The cubic root of 1607961 is about 117.1543728941.

The spelling of 1607961 in words is "one million, six hundred seven thousand, nine hundred sixty-one".