1926438148 has 12 divisors (see below), whose sum is σ = 3374487900. Its totient is φ = 962298752.

The previous prime is 1926438121. The next prime is 1926438161. The reversal of 1926438148 is 8418346291.

It can be written as a sum of positive squares in 2 ways, for example, as 1853130304 + 73307844 = 43048^2 + 8562^2 .

It is a super-2 number, since 2×1926438148² = 7422327876139339808, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1926438098 and 1926438107.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225361 + ... + 233752.

It is an arithmetic number, because the mean of its divisors is an integer number (281207325).

Almost surely, 2^1926438148 is an apocalyptic number.

It is an amenable number.

1926438148 is a deficient number, since it is larger than the sum of its proper divisors (1448049752).

1926438148 is a wasteful number, since it uses less digits than its factorization.

1926438148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460166 (or 460164 counting only the distinct ones).

The product of its digits is 331776, while the sum is 46.

The square root of 1926438148 is about 43891.2080945604. The cubic root of 1926438148 is about 1244.2806762867.

The spelling of 1926438148 in words is "one billion, nine hundred twenty-six million, four hundred thirty-eight thousand, one hundred forty-eight".