1393948 has 6 divisors (see below), whose sum is σ = 2439416. Its totient is φ = 696972.

The previous prime is 1393939. The next prime is 1393957. The reversal of 1393948 is 8493931.

It is an interprime number because it is at equal distance from previous prime (1393939) and next prime (1393957).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174240 + ... + 174247.

2^1393948 is an apocalyptic number.

It is an amenable number.

1393948 is a deficient number, since it is larger than the sum of its proper divisors (1045468).

1393948 is a wasteful number, since it uses less digits than its factorization.

1393948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348491 (or 348489 counting only the distinct ones).

The product of its digits is 23328, while the sum is 37.

The square root of 1393948 is about 1180.6557499966. The cubic root of 1393948 is about 111.7074636209.

It can be divided in two parts, 13 and 93948, that added together give a triangular number (93961 = T₄₃₃).

The spelling of 1393948 in words is "one million, three hundred ninety-three thousand, nine hundred forty-eight".