1506620 has 24 divisors (see below), whose sum is σ = 3211488. Its totient is φ = 593600.

The previous prime is 1506619. The next prime is 1506623. The reversal of 1506620 is 266051.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1506592 and 1506601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1506623) 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, 890 + ... + 1950.

It is an arithmetic number, because the mean of its divisors is an integer number (133812).

2^1506620 is an apocalyptic number.

1506620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1506620 is an abundant number, since it is smaller than the sum of its proper divisors (1704868).

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

1506620 is a wasteful number, since it uses less digits than its factorization.

1506620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141 (or 1139 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1506620 is about 1227.4444997636. Note that the first 4 decimals coincide. The cubic root of 1506620 is about 114.6395773097.

The spelling of 1506620 in words is "one million, five hundred six thousand, six hundred twenty".