3924699478 has 16 divisors (see below), whose sum is σ = 6779418624. Its totient is φ = 1669173480.

The previous prime is 3924699469. The next prime is 3924699481. The reversal of 3924699478 is 8749964293.

It is a super-2 number, since 2×3924699478² = 30806531985226944968, which contains 22 as substring.

It is a congruent number.

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, 1068150 + ... + 1071817.

It is an arithmetic number, because the mean of its divisors is an integer number (423713664).

Almost surely, 2^3924699478 is an apocalyptic number.

3924699478 is a deficient number, since it is larger than the sum of its proper divisors (2854719146).

3924699478 is a wasteful number, since it uses less digits than its factorization.

3924699478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2140107.

The product of its digits is 23514624, while the sum is 61.

The square root of 3924699478 is about 62647.4219581301. The cubic root of 3924699478 is about 1577.3768735102.

The spelling of 3924699478 in words is "three billion, nine hundred twenty-four million, six hundred ninety-nine thousand, four hundred seventy-eight".