1501966 has 4 divisors (see below), whose sum is σ = 2252952. Its totient is φ = 750982.

The previous prime is 1501961. The next prime is 1501999. The reversal of 1501966 is 6691051.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1501961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 375490 + ... + 375493.

It is an arithmetic number, because the mean of its divisors is an integer number (563238).

2^1501966 is an apocalyptic number.

1501966 is a deficient number, since it is larger than the sum of its proper divisors (750986).

1501966 is an equidigital number, since it uses as much as digits as its factorization.

1501966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750985.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 1501966 is about 1225.5472247123. The cubic root of 1501966 is about 114.5214137152.

It can be divided in two parts, 150 and 1966, that added together give a square (2116 = 46²).

The spelling of 1501966 in words is "one million, five hundred one thousand, nine hundred sixty-six".