3926972403 has 6 divisors (see below), whose sum is σ = 5672293484. Its totient is φ = 2617981596.

The previous prime is 3926972317. The next prime is 3926972429. The reversal of 3926972403 is 3042796293.

It is not a de Polignac number, because 3926972403 - 2⁹ = 3926971891 is a prime.

It is a super-2 number, since 2×3926972403² = 30842224507847188818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3926972453) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 218165125 + ... + 218165142.

Almost surely, 2^3926972403 is an apocalyptic number.

3926972403 is a deficient number, since it is larger than the sum of its proper divisors (1745321081).

3926972403 is a wasteful number, since it uses less digits than its factorization.

3926972403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436330273 (or 436330270 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 45.

The square root of 3926972403 is about 62665.5599432416. The cubic root of 3926972403 is about 1577.6813186835.

The spelling of 3926972403 in words is "three billion, nine hundred twenty-six million, nine hundred seventy-two thousand, four hundred three".