1961097 has 8 divisors (see below), whose sum is σ = 2621280. Its totient is φ = 1304160.

The previous prime is 1961093. The next prime is 1961107. The reversal of 1961097 is 7901691.

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

It is not a de Polignac number, because 1961097 - 2² = 1961093 is a prime.

1961097 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1961093) 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, 1854 + ... + 2712.

It is an arithmetic number, because the mean of its divisors is an integer number (327660).

2^1961097 is an apocalyptic number.

It is an amenable number.

1961097 is a deficient number, since it is larger than the sum of its proper divisors (660183).

1961097 is an equidigital number, since it uses as much as digits as its factorization.

1961097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1623.

The product of its (nonzero) digits is 3402, while the sum is 33.

The square root of 1961097 is about 1400.3917309096. The cubic root of 1961097 is about 125.1698384680.

It can be divided in two parts, 19 and 61097, that added together give a palindrome (61116).

The spelling of 1961097 in words is "one million, nine hundred sixty-one thousand, ninety-seven".