1625238 has 16 divisors (see below), whose sum is σ = 3611760. Its totient is φ = 541728.

The previous prime is 1625227. The next prime is 1625257. The reversal of 1625238 is 8325261.

1625238 is a `hidden beast` number, since 1 + 625 + 2 + 38 = 666.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14995 + ... + 15102.

It is an arithmetic number, because the mean of its divisors is an integer number (225735).

2^1625238 is an apocalyptic number.

1625238 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1625238 is an abundant number, since it is smaller than the sum of its proper divisors (1986522).

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

1625238 is a wasteful number, since it uses less digits than its factorization.

1625238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30108 (or 30102 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 1625238 is about 1274.8482262607. The cubic root of 1625238 is about 117.5724737741.

It can be divided in two parts, 16252 and 38, that added together give a triangular number (16290 = T₁₈₀).

The spelling of 1625238 in words is "one million, six hundred twenty-five thousand, two hundred thirty-eight".