1491960 has 32 divisors (see below), whose sum is σ = 4476240. Its totient is φ = 397824.

The previous prime is 1491953. The next prime is 1491961. The reversal of 1491960 is 691941.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1491961) 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, 6097 + ... + 6336.

2^1491960 is an apocalyptic number.

1491960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1491960 is an abundant number, since it is smaller than the sum of its proper divisors (2984280).

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

1491960 is a wasteful number, since it uses less digits than its factorization.

1491960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12447 (or 12443 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 1491960 is about 1221.4581450054. The cubic root of 1491960 is about 114.2665354722.

The spelling of 1491960 in words is "one million, four hundred ninety-one thousand, nine hundred sixty".