1490389374 has 64 divisors (see below), whose sum is σ = 3350476800. Its totient is φ = 439683552.

The previous prime is 1490389363. The next prime is 1490389379. The reversal of 1490389374 is 4739830941.

It is a happy number.

It is a super-2 number, since 2×1490389374² = 4442520972264223752, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490389379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106137 + ... + 119355.

It is an arithmetic number, because the mean of its divisors is an integer number (52351200).

Almost surely, 2^1490389374 is an apocalyptic number.

1490389374 is an abundant number, since it is smaller than the sum of its proper divisors (1860087426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1490389374 is a wasteful number, since it uses less digits than its factorization.

1490389374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13309.

The product of its (nonzero) digits is 653184, while the sum is 48.

The square root of 1490389374 is about 38605.5614387357. The cubic root of 1490389374 is about 1142.2642425247.

The spelling of 1490389374 in words is "one billion, four hundred ninety million, three hundred eighty-nine thousand, three hundred seventy-four".