1492390 has 8 divisors (see below), whose sum is σ = 2686320. Its totient is φ = 596952.

The previous prime is 1492357. The next prime is 1492411. The reversal of 1492390 is 932941.

It is a happy number.

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

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74610 + ... + 74629.

It is an arithmetic number, because the mean of its divisors is an integer number (335790).

2^1492390 is an apocalyptic number.

1492390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1492390 is a deficient number, since it is larger than the sum of its proper divisors (1193930).

1492390 is a wasteful number, since it uses less digits than its factorization.

1492390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149246.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 1492390 is about 1221.6341514545. The cubic root of 1492390 is about 114.2775120602.

The spelling of 1492390 in words is "one million, four hundred ninety-two thousand, three hundred ninety".