1555434 has 12 divisors (see below), whose sum is σ = 3370146. Its totient is φ = 518472.

The previous prime is 1555429. The next prime is 1555469. The reversal of 1555434 is 4345551.

It can be written as a sum of positive squares in only one way, i.e., 1199025 + 356409 = 1095^2 + 597^2 .

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1555398 and 1555407.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43189 + ... + 43224.

2^1555434 is an apocalyptic number.

1555434 is an abundant number, since it is smaller than the sum of its proper divisors (1814712).

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

1555434 is a wasteful number, since it uses less digits than its factorization.

1555434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86421 (or 86418 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 1555434 is about 1247.1703973395. The cubic root of 1555434 is about 115.8645366770.

The spelling of 1555434 in words is "one million, five hundred fifty-five thousand, four hundred thirty-four".