1351908 has 54 divisors (see below), whose sum is σ = 3696966. Its totient is φ = 415104.

The previous prime is 1351901. The next prime is 1351913. The reversal of 1351908 is 8091531.

It can be written as a sum of positive squares in only one way, i.e., 1272384 + 79524 = 1128^2 + 282^2 .

It is not an unprimeable number, because it can be changed into a prime (1351901) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 28741 + ... + 28787.

2^1351908 is an apocalyptic number.

1351908 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1351908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1848483).

1351908 is an abundant number, since it is smaller than the sum of its proper divisors (2345058).

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

1351908 is a wasteful number, since it uses less digits than its factorization.

1351908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121 (or 69 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 1351908 is about 1162.7157864242. The cubic root of 1351908 is about 110.5729880940.

The spelling of 1351908 in words is "one million, three hundred fifty-one thousand, nine hundred eight".