1400465 has 8 divisors (see below), whose sum is σ = 1833408. Its totient is φ = 1018480.

The previous prime is 1400453. The next prime is 1400479. The reversal of 1400465 is 5640041.

It is a happy number.

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

It is not a de Polignac number, because 1400465 - 2⁴ = 1400449 is a prime.

It is a super-2 number, since 2×1400465² = 3922604432450, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12677 + ... + 12786.

It is an arithmetic number, because the mean of its divisors is an integer number (229176).

2^1400465 is an apocalyptic number.

It is an amenable number.

1400465 is a deficient number, since it is larger than the sum of its proper divisors (432943).

1400465 is a wasteful number, since it uses less digits than its factorization.

1400465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25479.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1400465 is about 1183.4124386705. The cubic root of 1400465 is about 111.8812783219.

The spelling of 1400465 in words is "one million, four hundred thousand, four hundred sixty-five".