1946156797 has 8 divisors (see below), whose sum is σ = 2100034944. Its totient is φ = 1792874928.

The previous prime is 1946156791. The next prime is 1946156803. The reversal of 1946156797 is 7976516491.

It is an interprime number because it is at equal distance from previous prime (1946156791) and next prime (1946156803).

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

It is not a de Polignac number, because 1946156797 - 2¹⁵ = 1946124029 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 (1946156791) 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, 142273 + ... + 155350.

It is an arithmetic number, because the mean of its divisors is an integer number (262504368).

Almost surely, 2^1946156797 is an apocalyptic number.

It is an amenable number.

1946156797 is a deficient number, since it is larger than the sum of its proper divisors (153878147).

1946156797 is a wasteful number, since it uses less digits than its factorization.

1946156797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298139.

The product of its digits is 2857680, while the sum is 55.

The square root of 1946156797 is about 44115.2671645543. The cubic root of 1946156797 is about 1248.5116786496.

The spelling of 1946156797 in words is "one billion, nine hundred forty-six million, one hundred fifty-six thousand, seven hundred ninety-seven".