1408677401 has 4 divisors (see below), whose sum is σ = 1422624804. Its totient is φ = 1394730000.

The previous prime is 1408677379. The next prime is 1408677427. The reversal of 1408677401 is 1047768041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1226400400 + 182277001 = 35020^2 + 13501^2 .

It is a cyclic number.

It is not a de Polignac number, because 1408677401 - 2¹⁸ = 1408415257 is a prime.

It is a super-2 number, since 2×1408677401² = 3968744040176229602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1408677901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6973550 + ... + 6973751.

It is an arithmetic number, because the mean of its divisors is an integer number (355656201).

Almost surely, 2^1408677401 is an apocalyptic number.

It is an amenable number.

1408677401 is a deficient number, since it is larger than the sum of its proper divisors (13947403).

1408677401 is a wasteful number, since it uses less digits than its factorization.

1408677401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13947402.

The product of its (nonzero) digits is 37632, while the sum is 38.

The square root of 1408677401 is about 37532.3513918326. The cubic root of 1408677401 is about 1120.9954481644.

The spelling of 1408677401 in words is "one billion, four hundred eight million, six hundred seventy-seven thousand, four hundred one".