1381902 has 16 divisors (see below), whose sum is σ = 2790480. Its totient is φ = 456192.

The previous prime is 1381901. The next prime is 1381907. The reversal of 1381902 is 2091831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1381901) 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, 403 + ... + 1710.

It is an arithmetic number, because the mean of its divisors is an integer number (174405).

2^1381902 is an apocalyptic number.

1381902 is an abundant number, since it is smaller than the sum of its proper divisors (1408578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1381902 is a wasteful number, since it uses less digits than its factorization.

1381902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2227.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 1381902 is about 1175.5432786589. The cubic root of 1381902 is about 111.3847535989.

The spelling of 1381902 in words is "one million, three hundred eighty-one thousand, nine hundred two".