1474639397 has 16 divisors (see below), whose sum is σ = 1843556352. Its totient is φ = 1145916720.

The previous prime is 1474639391. The next prime is 1474639421. The reversal of 1474639397 is 7939364741.

It is a cyclic number.

It is not a de Polignac number, because 1474639397 - 2⁸ = 1474639141 is a prime.

It is a super-2 number, since 2×1474639397² = 4349122702369047218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1474639391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2168 + ... + 54350.

It is an arithmetic number, because the mean of its divisors is an integer number (115222272).

Almost surely, 2^1474639397 is an apocalyptic number.

It is an amenable number.

1474639397 is a deficient number, since it is larger than the sum of its proper divisors (368916955).

1474639397 is a wasteful number, since it uses less digits than its factorization.

1474639397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52568.

The product of its digits is 3429216, while the sum is 53.

The square root of 1474639397 is about 38401.0338011882. The cubic root of 1474639397 is about 1138.2262857925.

The spelling of 1474639397 in words is "one billion, four hundred seventy-four million, six hundred thirty-nine thousand, three hundred ninety-seven".