1506990 has 32 divisors (see below), whose sum is σ = 3649536. Its totient is φ = 398240.

The previous prime is 1506979. The next prime is 1506997. The reversal of 1506990 is 996051.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1506997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5599 + ... + 5861.

It is an arithmetic number, because the mean of its divisors is an integer number (114048).

2^1506990 is an apocalyptic number.

1506990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1506990 is an abundant number, since it is smaller than the sum of its proper divisors (2142546).

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

1506990 is a wasteful number, since it uses less digits than its factorization.

1506990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464.

The product of its (nonzero) digits is 2430, while the sum is 30.

The square root of 1506990 is about 1227.5952101568. The cubic root of 1506990 is about 114.6489610454.

It can be divided in two parts, 150 and 6990, that added together give a triangular number (7140 = T₁₁₉).

The spelling of 1506990 in words is "one million, five hundred six thousand, nine hundred ninety".