1490655 has 8 divisors (see below), whose sum is σ = 2385072. Its totient is φ = 795008.

The previous prime is 1490647. The next prime is 1490663. The reversal of 1490655 is 5560941.

It is an interprime number because it is at equal distance from previous prime (1490647) and next prime (1490663).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1490655 - 2³ = 1490647 is a prime.

1490655 is a lucky 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, 49674 + ... + 49703.

It is an arithmetic number, because the mean of its divisors is an integer number (298134).

2^1490655 is an apocalyptic number.

1490655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1490655 is a deficient number, since it is larger than the sum of its proper divisors (894417).

1490655 is an equidigital number, since it uses as much as digits as its factorization.

1490655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99385.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 1490655 is about 1220.9238305480. The cubic root of 1490655 is about 114.2332098854.

It can be divided in two parts, 1490 and 655, that added together give a triangular number (2145 = T₆₅).

The spelling of 1490655 in words is "one million, four hundred ninety thousand, six hundred fifty-five".