1948331 has 8 divisors (see below), whose sum is σ = 2429184. Its totient is φ = 1518120.

The previous prime is 1948327. The next prime is 1948337. The reversal of 1948331 is 1338491.

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 1948331 - 2² = 1948327 is a prime.

It is a super-2 number, since 2×1948331² = 7591987371122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1948294 and 1948303.

It is not an unprimeable number, because it can be changed into a prime (1948337) 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, 12575 + ... + 12728.

It is an arithmetic number, because the mean of its divisors is an integer number (303648).

2^1948331 is an apocalyptic number.

1948331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1948331 is a deficient number, since it is larger than the sum of its proper divisors (480853).

1948331 is a wasteful number, since it uses less digits than its factorization.

1948331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25321.

The product of its digits is 2592, while the sum is 29.

The square root of 1948331 is about 1395.8262785891. The cubic root of 1948331 is about 124.8976442092.

The spelling of 1948331 in words is "one million, nine hundred forty-eight thousand, three hundred thirty-one".