1490342 has 8 divisors (see below), whose sum is σ = 2554896. Its totient is φ = 638712.

The previous prime is 1490329. The next prime is 1490347. The reversal of 1490342 is 2430941.

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

It is a super-2 number, since 2×1490342² = 4442238553928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53213 + ... + 53240.

It is an arithmetic number, because the mean of its divisors is an integer number (319362).

2^1490342 is an apocalyptic number.

1490342 is a deficient number, since it is larger than the sum of its proper divisors (1064554).

1490342 is a wasteful number, since it uses less digits than its factorization.

1490342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106462.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 1490342 is about 1220.7956421941. The cubic root of 1490342 is about 114.2252139603.

The spelling of 1490342 in words is "one million, four hundred ninety thousand, three hundred forty-two".