1610961 has 8 divisors (see below), whose sum is σ = 2343264. Its totient is φ = 976320.

The previous prime is 1610957. The next prime is 1610963. The reversal of 1610961 is 1690161.

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

It is not a de Polignac number, because 1610961 - 2² = 1610957 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (1610963) 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, 24376 + ... + 24441.

It is an arithmetic number, because the mean of its divisors is an integer number (292908).

2^1610961 is an apocalyptic number.

1610961 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1610961 is a deficient number, since it is larger than the sum of its proper divisors (732303).

1610961 is a wasteful number, since it uses less digits than its factorization.

1610961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48831.

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 1610961 is about 1269.2363846030. The cubic root of 1610961 is about 117.2271865938.

The spelling of 1610961 in words is "one million, six hundred ten thousand, nine hundred sixty-one".