1555902 has 16 divisors (see below), whose sum is σ = 3457680. Its totient is φ = 518616.

The previous prime is 1555901. The next prime is 1555907. The reversal of 1555902 is 2095551.

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 Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1555901) 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, 14353 + ... + 14460.

It is an arithmetic number, because the mean of its divisors is an integer number (216105).

2^1555902 is an apocalyptic number.

1555902 is an abundant number, since it is smaller than the sum of its proper divisors (1901778).

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

1555902 is a wasteful number, since it uses less digits than its factorization.

1555902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28824 (or 28818 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 27.

The square root of 1555902 is about 1247.3580079512. The cubic root of 1555902 is about 115.8761559776.

The spelling of 1555902 in words is "one million, five hundred fifty-five thousand, nine hundred two".