1490331 has 8 divisors (see below), whose sum is σ = 2073600. Its totient is φ = 950312.

The previous prime is 1490329. The next prime is 1490347. The reversal of 1490331 is 1330941.

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 1490331 - 2¹ = 1490329 is a prime.

It is a super-2 number, since 2×1490331² = 4442172979122, which contains 22 as substring.

1490331 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1490298 and 1490307.

It is not an unprimeable number, because it can be changed into a prime (1490351) 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, 10731 + ... + 10868.

It is an arithmetic number, because the mean of its divisors is an integer number (259200).

2^1490331 is an apocalyptic number.

1490331 is a deficient number, since it is larger than the sum of its proper divisors (583269).

1490331 is a wasteful number, since it uses less digits than its factorization.

1490331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21625.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 1490331 is about 1220.7911369272. The cubic root of 1490331 is about 114.2249329329.

The spelling of 1490331 in words is "one million, four hundred ninety thousand, three hundred thirty-one".