1490456697 has 8 divisors (see below), whose sum is σ = 2006952000. Its totient is φ = 983799600.

The previous prime is 1490456689. The next prime is 1490456699. The reversal of 1490456697 is 7966540941.

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

It is not a de Polignac number, because 1490456697 - 2³ = 1490456689 is a prime.

It is a super-2 number, since 2×1490456697² = 4442922331264299618, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1490456699) 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, 2459197 + ... + 2459802.

It is an arithmetic number, because the mean of its divisors is an integer number (250869000).

Almost surely, 2^1490456697 is an apocalyptic number.

It is an amenable number.

1490456697 is a deficient number, since it is larger than the sum of its proper divisors (516495303).

1490456697 is a wasteful number, since it uses less digits than its factorization.

1490456697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4919103.

The product of its (nonzero) digits is 1632960, while the sum is 51.

The square root of 1490456697 is about 38606.4333628477. The cubic root of 1490456697 is about 1142.2814414973.

The spelling of 1490456697 in words is "one billion, four hundred ninety million, four hundred fifty-six thousand, six hundred ninety-seven".