1928532490 has 16 divisors (see below), whose sum is σ = 3654061920. Its totient is φ = 730812240.

The previous prime is 1928532461. The next prime is 1928532503. The reversal of 1928532490 is 942358291.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5074896 + ... + 5075275.

It is an arithmetic number, because the mean of its divisors is an integer number (228378870).

Almost surely, 2^1928532490 is an apocalyptic number.

1928532490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1928532490 is a deficient number, since it is larger than the sum of its proper divisors (1725529430).

1928532490 is a wasteful number, since it uses less digits than its factorization.

1928532490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10150197.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 1928532490 is about 43915.0599453081. The cubic root of 1928532490 is about 1244.7314227405.

The spelling of 1928532490 in words is "one billion, nine hundred twenty-eight million, five hundred thirty-two thousand, four hundred ninety".