1381954 has 8 divisors (see below), whose sum is σ = 2369088. Its totient is φ = 592260.

The previous prime is 1381921. The next prime is 1381967. The reversal of 1381954 is 4591831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a pancake number, because a pancake can be divided into 1381954 parts by 1662 straight cuts.

It is a plaindrome in base 12.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49342 + ... + 49369.

It is an arithmetic number, because the mean of its divisors is an integer number (296136).

2^1381954 is an apocalyptic number.

1381954 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1381954 is a deficient number, since it is larger than the sum of its proper divisors (987134).

1381954 is an equidigital number, since it uses as much as digits as its factorization.

1381954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98720.

The product of its digits is 4320, while the sum is 31.

The square root of 1381954 is about 1175.5653958840. The cubic root of 1381954 is about 111.3861506914.

The spelling of 1381954 in words is "one million, three hundred eighty-one thousand, nine hundred fifty-four".