1490376243 has 16 divisors (see below), whose sum is σ = 2106715136. Its totient is φ = 935543520.

The previous prime is 1490376227. The next prime is 1490376269. The reversal of 1490376243 is 3426730941.

It is not a de Polignac number, because 1490376243 - 2⁴ = 1490376227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1490376203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213121 + ... + 220002.

It is an arithmetic number, because the mean of its divisors is an integer number (131669696).

Almost surely, 2^1490376243 is an apocalyptic number.

1490376243 is a deficient number, since it is larger than the sum of its proper divisors (616338893).

1490376243 is a wasteful number, since it uses less digits than its factorization.

1490376243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433194.

The product of its (nonzero) digits is 108864, while the sum is 39.

The square root of 1490376243 is about 38605.3913721905. The cubic root of 1490376243 is about 1142.2608878945.

The spelling of 1490376243 in words is "one billion, four hundred ninety million, three hundred seventy-six thousand, two hundred forty-three".