1946157 has 4 divisors (see below), whose sum is σ = 2594880. Its totient is φ = 1297436.

The previous prime is 1946141. The next prime is 1946171. The reversal of 1946157 is 7516491.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1946157 - 2⁴ = 1946141 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1946117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324357 + ... + 324362.

It is an arithmetic number, because the mean of its divisors is an integer number (648720).

2^1946157 is an apocalyptic number.

It is an amenable number.

1946157 is a deficient number, since it is larger than the sum of its proper divisors (648723).

1946157 is an equidigital number, since it uses as much as digits as its factorization.

1946157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648722.

The product of its digits is 7560, while the sum is 33.

The square root of 1946157 is about 1395.0473110257. The cubic root of 1946157 is about 124.8511722060.

The spelling of 1946157 in words is "one million, nine hundred forty-six thousand, one hundred fifty-seven".