1461438 has 48 divisors (see below), whose sum is σ = 3539952. Its totient is φ = 435600.

The previous prime is 1461437. The next prime is 1461451. The reversal of 1461438 is 8341641.

1461438 is a `hidden beast` number, since 14 + 614 + 38 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1461437) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23928 + ... + 23988.

It is an arithmetic number, because the mean of its divisors is an integer number (73749).

2^1461438 is an apocalyptic number.

1461438 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1461438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1769976).

1461438 is an abundant number, since it is smaller than the sum of its proper divisors (2078514).

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

1461438 is a wasteful number, since it uses less digits than its factorization.

1461438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102 (or 77 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 1461438 is about 1208.8994995449. The cubic root of 1461438 is about 113.4819522754.

The spelling of 1461438 in words is "one million, four hundred sixty-one thousand, four hundred thirty-eight".