1490984465 has 8 divisors (see below), whose sum is σ = 1789804968. Its totient is φ = 1192371840.

The previous prime is 1490984461. The next prime is 1490984471. The reversal of 1490984465 is 5644890941.

It can be written as a sum of positive squares in 4 ways, for example, as 29604481 + 1461379984 = 5441^2 + 38228^2 .

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

It is not a de Polignac number, because 1490984465 - 2² = 1490984461 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1490984461) 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, 35726 + ... + 65255.

It is an arithmetic number, because the mean of its divisors is an integer number (223725621).

Almost surely, 2^1490984465 is an apocalyptic number.

It is an amenable number.

1490984465 is a deficient number, since it is larger than the sum of its proper divisors (298820503).

1490984465 is a wasteful number, since it uses less digits than its factorization.

1490984465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103939.

The product of its (nonzero) digits is 1244160, while the sum is 50.

The square root of 1490984465 is about 38613.2679917150. The cubic root of 1490984465 is about 1142.4162521787.

The spelling of 1490984465 in words is "one billion, four hundred ninety million, nine hundred eighty-four thousand, four hundred sixty-five".