1490462261 has 24 divisors (see below), whose sum is σ = 1605805824. Its totient is φ = 1382594400.

The previous prime is 1490462257. The next prime is 1490462287. The reversal of 1490462261 is 1622640941.

It is not a de Polignac number, because 1490462261 - 2² = 1490462257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490462161) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3754115 + ... + 3754511.

It is an arithmetic number, because the mean of its divisors is an integer number (66908576).

Almost surely, 2^1490462261 is an apocalyptic number.

It is an amenable number.

1490462261 is a deficient number, since it is larger than the sum of its proper divisors (115343563).

1490462261 is a wasteful number, since it uses less digits than its factorization.

1490462261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641 (or 618 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 1490462261 is about 38606.5054233092. The cubic root of 1490462261 is about 1142.2828629064.

The spelling of 1490462261 in words is "one billion, four hundred ninety million, four hundred sixty-two thousand, two hundred sixty-one".