1427474399 has 8 divisors (see below), whose sum is σ = 1543408272. Its totient is φ = 1312416000.

The previous prime is 1427474303. The next prime is 1427474413. The reversal of 1427474399 is 9934747241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1427474399 - 2¹⁶ = 1427408863 is a prime.

It is a super-2 number, since 2×1427474399² = 4075366319600822402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1427471399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215474 + ... + 221999.

It is an arithmetic number, because the mean of its divisors is an integer number (192926034).

Almost surely, 2^1427474399 is an apocalyptic number.

1427474399 is a deficient number, since it is larger than the sum of its proper divisors (115933873).

1427474399 is a wasteful number, since it uses less digits than its factorization.

1427474399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437737.

The product of its digits is 1524096, while the sum is 50.

The square root of 1427474399 is about 37781.9321766370. The cubic root of 1427474399 is about 1125.9595169307.

The spelling of 1427474399 in words is "one billion, four hundred twenty-seven million, four hundred seventy-four thousand, three hundred ninety-nine".