1939157 has 8 divisors (see below), whose sum is σ = 2129760. Its totient is φ = 1750960.

The previous prime is 1939151. The next prime is 1939169. The reversal of 1939157 is 7519391.

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 1939157 - 2⁴ = 1939141 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 (1939151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1394 + ... + 2412.

It is an arithmetic number, because the mean of its divisors is an integer number (266220).

2^1939157 is an apocalyptic number.

It is an amenable number.

1939157 is a deficient number, since it is larger than the sum of its proper divisors (190603).

1939157 is a wasteful number, since it uses less digits than its factorization.

1939157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1203.

The product of its digits is 8505, while the sum is 35.

The square root of 1939157 is about 1392.5361754727. The cubic root of 1939157 is about 124.7013028084.

The spelling of 1939157 in words is "one million, nine hundred thirty-nine thousand, one hundred fifty-seven".