1490606957 has 4 divisors (see below), whose sum is σ = 1703550816. Its totient is φ = 1277663100.

The previous prime is 1490606933. The next prime is 1490606969. The reversal of 1490606957 is 7596060941.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1490606957 - 2⁶ = 1490606893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490606917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106471919 + ... + 106471932.

It is an arithmetic number, because the mean of its divisors is an integer number (425887704).

Almost surely, 2^1490606957 is an apocalyptic number.

It is an amenable number.

1490606957 is a deficient number, since it is larger than the sum of its proper divisors (212943859).

1490606957 is an equidigital number, since it uses as much as digits as its factorization.

1490606957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212943858.

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 1490606957 is about 38608.3793625166. The cubic root of 1490606957 is about 1142.3198264751.

The spelling of 1490606957 in words is "one billion, four hundred ninety million, six hundred six thousand, nine hundred fifty-seven".